📚 Free Healthcare Dictionary

Medical Dictionary

The MedSkillBuilder Medical Dictionary is a searchable healthcare vocabulary tool for nursing students, TEAS learners, allied health students, CBET learners, EMT learners, and early healthcare professionals.

Search terms by name, category, meaning, alias, clinical note, or memory trick. Each card is written in plain language so learners can recognize terms instead of just memorizing them.

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What This Dictionary Covers

This flagship build includes healthcare terms across ABGs, vital signs, lab values, anatomy, cardiology, respiratory care, renal function, infection, clinical skills, procedures, pharmacology, EKG, medical equipment, abbreviations, and medical word parts.

The page is designed to keep growing. New terms can be added over time while keeping the same searchable layout, filters, categories, and related MedSkillBuilder links.

ABG Abbreviations Anatomy Assessment Cardiology Conditions EKG Lab Values Medical Equipment Medical Word Parts Pharmacology Procedures Respiratory Vital Signs Emergency MedicineICUImagingNeurologyOB/GYNPediatricsPsychiatrySurgeryWound CareGastroenterologyHematologyInfectious DiseaseNursingOncologyOrthopedicsRenalBiomedicalDermatologyENTEndocrinologyOphthalmologyPublic HealthRehabilitationLegal/EthicsQuality/Safety

Browse Medical Terms by Specialty

Use these specialty areas to quickly explore common healthcare vocabulary by clinical setting, body system, or learning pathway.

Popular Medical Terms Students Search

Start with high-yield terms that appear often in nursing, TEAS, EMT, allied health, medical assistant, and clinical training.

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Expanded Healthcare Vocabulary

This dictionary continues to grow into a practical learning resource for students and early healthcare professionals. Use it to review emergency terms, EKG vocabulary, respiratory care, lab values, anatomy, equipment, assessment findings, medication classes, and specialty language across healthcare.

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Medical Word Parts

-algia

Suffix meaning pain

A medical suffix that means pain. Example: myalgia means muscle pain.

Also known as: Suffix; myalgia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-algia = pain.
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Medical Word Parts

-asthenia

Suffix meaning weakness

A medical suffix that means weakness. Example: myasthenia means muscle weakness.

Also known as: Suffix; myasthenia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-asthenia = weakness.
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Medical Word Parts

-blast

Suffix meaning immature cell

A medical suffix that means immature cell. Example: osteoblast means bone-forming cell.

Also known as: Suffix; osteoblast

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-blast = immature cell.
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Medical Word Parts

-cele

Suffix meaning hernia or swelling

A medical suffix that means hernia or swelling. Example: cystocele means bladder herniation.

Also known as: Suffix; cystocele

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-cele = hernia or swelling.
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Medical Word Parts

-centesis

Suffix meaning surgical puncture

A medical suffix that means surgical puncture. Example: thoracentesis means puncture of chest space.

Also known as: Suffix; thoracentesis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-centesis = surgical puncture.
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Medical Word Parts

-clasis

Suffix meaning breaking

A medical suffix that means breaking. Example: osteoclasis means breaking bone.

Also known as: Suffix; osteoclasis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-clasis = breaking.
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Medical Word Parts

-cyte

Suffix meaning cell

A medical suffix that means cell. Example: leukocyte means white blood cell.

Also known as: Suffix; leukocyte

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-cyte = cell.
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Medical Word Parts

-desis

Suffix meaning binding or fixation

A medical suffix that means binding or fixation. Example: arthrodesis means joint fusion.

Also known as: Suffix; arthrodesis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-desis = binding or fixation.
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Medical Word Parts

-dynia

Suffix meaning pain

A medical suffix that means pain. Example: gastrodynia means stomach pain.

Also known as: Suffix; gastrodynia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-dynia = pain.
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Medical Word Parts

-ectomy

Suffix meaning surgical removal

A medical suffix that means surgical removal. Example: appendectomy means appendix removal.

Also known as: Suffix; appendectomy

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-ectomy = surgical removal.
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Medical Word Parts

-emia

Suffix meaning blood condition

A medical suffix that means blood condition. Example: anemia means blood condition.

Also known as: Suffix; anemia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-emia = blood condition.
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Medical Word Parts

-genesis

Suffix meaning formation

A medical suffix that means formation. Example: pathogenesis means disease development.

Also known as: Suffix; pathogenesis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-genesis = formation.
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Medical Word Parts

-genic

Suffix meaning producing or caused by

A medical suffix that means producing or caused by. Example: iatrogenic means caused by treatment.

Also known as: Suffix; iatrogenic

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-genic = producing or caused by.
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Medical Word Parts

-gram

Suffix meaning record or image

A medical suffix that means record or image. Example: electrocardiogram means heart electrical record.

Also known as: Suffix; electrocardiogram

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-gram = record or image.
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Medical Word Parts

-graphy

Suffix meaning recording process

A medical suffix that means recording process. Example: radiography means imaging process.

Also known as: Suffix; radiography

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-graphy = recording process.
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Medical Word Parts

-iasis

Suffix meaning abnormal condition

A medical suffix that means abnormal condition. Example: cholelithiasis means gallstone condition.

Also known as: Suffix; cholelithiasis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-iasis = abnormal condition.
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Medical Word Parts

-itis

Suffix meaning inflammation

A medical suffix that means inflammation. Example: dermatitis means skin inflammation.

Also known as: Suffix; dermatitis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-itis = inflammation.
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Medical Word Parts

-logist

Suffix meaning specialist

A medical suffix that means specialist. Example: cardiologist means heart specialist.

Also known as: Suffix; cardiologist

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-logist = specialist.
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Medical Word Parts

-lysis

Suffix meaning breakdown or destruction

A medical suffix that means breakdown or destruction. Example: hemolysis means blood cell breakdown.

Also known as: Suffix; hemolysis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-lysis = breakdown or destruction.
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Medical Word Parts

-malacia

Suffix meaning softening

A medical suffix that means softening. Example: osteomalacia means softening of bone.

Also known as: Suffix; osteomalacia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-malacia = softening.
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Medical Word Parts

-mania

Suffix meaning obsessive condition

A medical suffix that means obsessive condition. Example: kleptomania means compulsive stealing.

Also known as: Suffix; kleptomania

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-mania = obsessive condition.
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Medical Word Parts

-megaly

Suffix meaning enlargement

A medical suffix that means enlargement. Example: cardiomegaly means enlarged heart.

Also known as: Suffix; cardiomegaly

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-megaly = enlargement.
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Medical Word Parts

-meter

Suffix meaning measuring instrument

A medical suffix that means measuring instrument. Example: spirometer means breathing measuring instrument.

Also known as: Suffix; spirometer

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-meter = measuring instrument.
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Medical Word Parts

-metry

Suffix meaning process of measuring

A medical suffix that means process of measuring. Example: spirometry means measurement of breathing.

Also known as: Suffix; spirometry

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-metry = process of measuring.
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Medical Word Parts

-oid

Suffix meaning resembling

A medical suffix that means resembling. Example: mucoid means resembling mucus.

Also known as: Suffix; mucoid

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-oid = resembling.
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Medical Word Parts

-oma

Suffix meaning mass or tumor

A medical suffix that means mass or tumor. Example: hematoma means collection of blood.

Also known as: Suffix; hematoma

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-oma = mass or tumor.
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Medical Word Parts

-osis

Suffix meaning abnormal condition

A medical suffix that means abnormal condition. Example: cyanosis means bluish discoloration condition.

Also known as: Suffix; cyanosis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-osis = abnormal condition.
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Medical Word Parts

-ostomy

Suffix meaning surgical opening

A medical suffix that means surgical opening. Example: colostomy means opening into colon.

Also known as: Suffix; colostomy

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-ostomy = surgical opening.
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Medical Word Parts

-otomy

Suffix meaning cutting into

A medical suffix that means cutting into. Example: tracheotomy means cutting into trachea.

Also known as: Suffix; tracheotomy

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-otomy = cutting into.
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Medical Word Parts

-paresis

Suffix meaning weakness

A medical suffix that means weakness. Example: hemiparesis means weakness on one side.

Also known as: Suffix; hemiparesis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-paresis = weakness.
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Medical Word Parts

-pathy

Suffix meaning disease or disorder

A medical suffix that means disease or disorder. Example: neuropathy means nerve disorder.

Also known as: Suffix; neuropathy

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-pathy = disease or disorder.
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Medical Word Parts

-penia

Suffix meaning deficiency or low amount

A medical suffix that means deficiency or low amount. Example: leukopenia means low white blood cells.

Also known as: Suffix; leukopenia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-penia = deficiency or low amount.
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Medical Word Parts

-pexy

Suffix meaning surgical fixation

A medical suffix that means surgical fixation. Example: nephropexy means kidney fixation.

Also known as: Suffix; nephropexy

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-pexy = surgical fixation.
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Medical Word Parts

-phagia

Suffix meaning eating or swallowing

A medical suffix that means eating or swallowing. Example: dysphagia means difficulty swallowing.

Also known as: Suffix; dysphagia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-phagia = eating or swallowing.
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Medical Word Parts

-phasia

Suffix meaning speech

A medical suffix that means speech. Example: aphasia means loss of speech ability.

Also known as: Suffix; aphasia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-phasia = speech.
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Medical Word Parts

-plasia

Suffix meaning formation or growth

A medical suffix that means formation or growth. Example: hyperplasia means excessive growth.

Also known as: Suffix; hyperplasia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-plasia = formation or growth.
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Medical Word Parts

-plasty

Suffix meaning surgical repair

A medical suffix that means surgical repair. Example: angioplasty means vessel repair.

Also known as: Suffix; angioplasty

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-plasty = surgical repair.
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Medical Word Parts

-plegia

Suffix meaning paralysis

A medical suffix that means paralysis. Example: hemiplegia means paralysis on one side.

Also known as: Suffix; hemiplegia

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-plegia = paralysis.
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Medical Word Parts

-pnea

Suffix meaning breathing

A medical suffix that means breathing. Example: apnea means absence of breathing.

Also known as: Suffix; apnea

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-pnea = breathing.
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Medical Word Parts

-ptosis

Suffix meaning drooping

A medical suffix that means drooping. Example: blepharoptosis means drooping eyelid.

Also known as: Suffix; blepharoptosis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-ptosis = drooping.
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Medical Word Parts

-rrhage

Suffix meaning bursting flow

A medical suffix that means bursting flow. Example: hemorrhage means bursting flow of blood.

Also known as: Suffix; hemorrhage

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-rrhage = bursting flow.
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Medical Word Parts

-rrhea

Suffix meaning flow or discharge

A medical suffix that means flow or discharge. Example: diarrhea means abnormal flow.

Also known as: Suffix; diarrhea

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-rrhea = flow or discharge.
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Medical Word Parts

-sclerosis

Suffix meaning hardening

A medical suffix that means hardening. Example: arteriosclerosis means hardening of arteries.

Also known as: Suffix; arteriosclerosis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-sclerosis = hardening.
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Medical Word Parts

-scopy

Suffix meaning visual examination

A medical suffix that means visual examination. Example: endoscopy means visual exam inside body.

Also known as: Suffix; endoscopy

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-scopy = visual examination.
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Medical Word Parts

-spasm

Suffix meaning involuntary contraction

A medical suffix that means involuntary contraction. Example: bronchospasm means airway muscle contraction.

Also known as: Suffix; bronchospasm

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-spasm = involuntary contraction.
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Medical Word Parts

-stasis

Suffix meaning stopping or controlling

A medical suffix that means stopping or controlling. Example: hemostasis means stopping bleeding.

Also known as: Suffix; hemostasis

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-stasis = stopping or controlling.
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Medical Word Parts

-trophy

Suffix meaning growth or nourishment

A medical suffix that means growth or nourishment. Example: atrophy means lack of growth or wasting.

Also known as: Suffix; atrophy

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-trophy = growth or nourishment.
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Medical Word Parts

-uria

Suffix meaning urine condition

A medical suffix that means urine condition. Example: polyuria means excessive urination.

Also known as: Suffix; polyuria

Clinical note: This suffix often identifies a condition, procedure, process, or test.

-uria = urine condition.
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Medical Word Parts

a- / an-

Prefix meaning without or absence

A medical prefix that means without or absence. Example: apnea means absence of breathing.

Also known as: Prefix; apnea

Clinical note: This word part helps learners decode terms before memorizing full definitions.

a- / an- = without or absence.
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Lab Values

A1C

Average blood sugar marker

A blood test reflecting average glucose over about three months.

Also known as: Hemoglobin A1C

Clinical note: Used in diabetes screening and monitoring.

A1C = longer-term glucose clue.
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Medical Word Parts

ab-

Prefix meaning away from

A medical prefix that means away from. Example: abduction means movement away from midline.

Also known as: Prefix; abduction

Clinical note: This word part helps learners decode terms before memorizing full definitions.

ab- = away from.
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Anatomy

Abdomen

Belly area

The body region between the chest and pelvis.

Also known as: Abdominal Area

Clinical note: Contains digestive, urinary, vascular, and reproductive structures.

Abdomen = abdominal cavity.
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Assessment

Abdominal pain

Pain in belly area

Pain located in the abdomen.

Also known as: Belly Pain

Clinical note: Assess location, onset, severity, associated symptoms, and red flags.

Abdominal pain needs location.
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Anatomy

Abduction

Movement away from midline

Movement of a body part away from the center line of the body.

Also known as: Abduct

Clinical note: Raising the arm to the side is abduction.

Abduction takes away.
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ABG

ABG

Arterial blood gas

A blood test that measures pH, oxygen, carbon dioxide, and bicarbonate.

Also known as: Arterial Blood Gas

Clinical note: Used to evaluate oxygenation, ventilation, and acid-base balance.

ABG = arterial blood gas.
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Assessment

Abrasion

Scrape

A superficial injury where the top layer of skin is rubbed away.

Also known as: Scrape

Clinical note: Monitor for bleeding, pain, contamination, and infection signs.

Abrasion = scraped skin.
Assessment

Abscess

Pocket of pus

A localized collection of pus caused by infection.

Also known as: Pus Pocket

Clinical note: May be painful, red, swollen, warm, and may require drainage.

Abscess = enclosed infection.
Pharmacology

ACE inhibitor

Blood pressure medication class

A medication class that affects the renin-angiotensin system to lower blood pressure.

Also known as: Lisinopril Class

Clinical note: Can affect potassium and kidney-related labs depending patient context.

ACE inhibitor lowers pressure pathway.
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Pharmacology

Acetaminophen

Pain/fever medication

A medication commonly used for pain and fever reduction.

Also known as: Tylenol

Clinical note: Dose limits and liver considerations are important.

Acetaminophen = pain/fever.
ABG

Acidosis

Too much acid

A condition where blood is more acidic than normal.

Also known as: Acidotic

Clinical note: Usually reflected by a low pH on ABG interpretation.

Acidosis = low pH.
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Medical Word Parts

ad-

Prefix meaning toward

A medical prefix that means toward. Example: adduction means movement toward midline.

Also known as: Prefix; adduction

Clinical note: This word part helps learners decode terms before memorizing full definitions.

ad- = toward.
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Anatomy

Adduction

Movement toward midline

Movement of a body part toward the center line of the body.

Also known as: Adduct

Clinical note: Bringing the arm back to the side is adduction.

Adduction adds toward body.
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Medical Word Parts

aden

Root meaning gland

A medical root word that means gland. Example: adenopathy means gland disease.

Also known as: Root word; adenopathy

Clinical note: Root words carry the main meaning of many medical terms.

aden = gland.
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Assessment

Afebrile

No fever

Having a normal body temperature without fever.

Also known as: Without Fever

Clinical note: Often documented during assessment.

A- means without; febrile means fever.
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Lab Values

Albumin

Blood protein

A protein made by the liver that helps maintain oncotic pressure and transport substances.

Also known as: Serum Albumin

Clinical note: Low albumin can relate to nutrition, liver, kidney, or fluid issues.

Albumin holds fluid in vessels.
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Lab Values

Alkaline phosphatase

Liver/bone enzyme

An enzyme associated with bile ducts, liver, and bone.

Also known as: ALP

Clinical note: Interpreted with liver panel and clinical context.

ALP = liver/bone clue.
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ABG

Alkalosis

Too much base

A condition where blood is more alkaline than normal.

Also known as: Alkalotic

Clinical note: Usually reflected by a high pH on ABG interpretation.

Alkalosis = high pH.
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Lab Values

ALT

Liver enzyme

A liver enzyme that may rise with liver injury.

Also known as: Alanine Aminotransferase

Clinical note: Often interpreted with AST and other liver tests.

ALT = liver enzyme.
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Anatomy

Alveoli

Air sacs

Tiny air sacs in the lungs where oxygen and carbon dioxide exchange occurs.

Also known as: Lung Air Sacs

Clinical note: Central to gas exchange and respiratory function.

Alveoli exchange gas.
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Assessment

Ambulation

Walking

The act of walking or moving from place to place.

Also known as: Ambulate

Clinical note: Assessment includes gait, balance, assistive devices, and fall risk.

Ambulation = walking.
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Lab Values

Amylase

Digestive enzyme lab

An enzyme lab often associated with pancreas and salivary glands.

Also known as: Pancreatic Enzyme

Clinical note: Interpreted with lipase and symptoms.

Amylase digests starch.
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Pharmacology

Analgesic

Pain medication

A medication used to relieve pain.

Also known as: Pain Reliever

Clinical note: Different classes have different risks and monitoring needs.

-algia = pain; analgesic relieves pain.
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Conditions

Anemia

Low red blood cells or hemoglobin

A condition where blood has reduced oxygen-carrying ability.

Also known as: Low Hgb; Low Hemoglobin

Clinical note: May cause fatigue, pallor, weakness, shortness of breath, or dizziness.

-emia = blood condition.
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Medical Equipment

Anesthesia machine

Anesthesia delivery system

Machine used to deliver anesthetic gases and support ventilation during procedures.

Also known as: Anesthesia Workstation

Clinical note: Requires trained clinical use and equipment checks.

Anesthesia machine supports surgery.
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Conditions

Aneurysm

Bulging blood vessel

A weakened area of a blood vessel wall that bulges outward.

Also known as: Vessel Bulge

Clinical note: Risk depends on size, location, and rupture potential.

Aneurysm = vessel balloon.
Medical Word Parts

angi / vas

Root meaning vessel

A medical root word that means vessel. Example: angioplasty means vessel repair.

Also known as: Root word; angioplasty

Clinical note: Root words carry the main meaning of many medical terms.

angi / vas = vessel.
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Conditions

Angina

Chest pain from reduced blood flow

Chest discomfort usually related to reduced oxygen supply to heart muscle.

Also known as: Chest Pain

Clinical note: Needs careful assessment because symptoms can overlap with heart attack.

Angina = cardiac chest discomfort.
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Procedures

Angioplasty

Vessel repair/opening

A procedure used to widen or open a narrowed blood vessel.

Also known as: Vessel Procedure

Clinical note: Often discussed in cardiac or vascular care.

Angio = vessel; plasty = repair.
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Anatomy

Anterior

Toward the front

A directional term meaning toward the front of the body.

Also known as: Ventral

Clinical note: Used to describe location in anatomy and assessment.

Anterior = front.
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Medical Word Parts

anti-

Prefix meaning against

A medical prefix that means against. Example: antibiotic means against bacteria.

Also known as: Prefix; antibiotic

Clinical note: This word part helps learners decode terms before memorizing full definitions.

anti- = against.
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Pharmacology

Antibiotic

Medication against bacteria

A medication used to treat bacterial infections.

Also known as: Antibacterial

Clinical note: Not used for viral infections unless bacterial concern exists.

Anti- = against.
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Pharmacology

Anticoagulant

Blood thinner

A medication that reduces blood clotting tendency.

Also known as: Blood Thinner

Clinical note: Requires attention to bleeding risk and labs depending medication.

Anticoagulant = against clotting.
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Pharmacology

Antipyretic

Fever reducer

A medication used to lower fever.

Also known as: Fever Reducer

Clinical note: Common example includes acetaminophen.

Pyretic = fever.
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Anatomy

Aorta

Main artery

The largest artery carrying blood away from the heart to the body.

Also known as: Large Artery

Clinical note: Major vessel leaving the left ventricle.

Aorta = main outgoing artery.
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Respiratory

Apnea

No breathing

Temporary absence of breathing.

Also known as: Stopped Breathing

Clinical note: A critical finding if prolonged or associated with distress.

A- means without; -pnea means breathing.
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Procedures

Appendectomy

Appendix removal

Surgical removal of the appendix.

Also known as: Appendix Surgery

Clinical note: -ectomy means surgical removal.

Appendectomy = appendix removed.
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Conditions

Appendicitis

Inflammation of the appendix

A medical term meaning inflammation of the appendix.

Also known as: appendic + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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EKG

Arrhythmia

Abnormal heart rhythm

A rhythm that is irregular, too fast, too slow, or otherwise abnormal.

Also known as: Dysrhythmia

Clinical note: Detected through pulse assessment, monitoring, or EKG.

A-rhythm = abnormal rhythm.
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Medical Word Parts

arteri

Root meaning artery

A medical root word that means artery. Example: arteriosclerosis means artery hardening.

Also known as: Root word; arteriosclerosis

Clinical note: Root words carry the main meaning of many medical terms.

arteri = artery.
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Anatomy

Artery

Blood vessel away from heart

A vessel that carries blood away from the heart.

Also known as: Arterial Vessel

Clinical note: Usually carries oxygenated blood except pulmonary arteries.

Arteries go away.
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Medical Word Parts

arthr

Root meaning joint

A medical root word that means joint. Example: arthritis means joint inflammation.

Also known as: Root word; arthritis

Clinical note: Root words carry the main meaning of many medical terms.

arthr = joint.
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Conditions

Arthritis

Inflammation of the joint

A medical term meaning inflammation of the joint.

Also known as: arthr + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Arthroscopy

Visual examination of the joint

A procedure using a scope to visually examine the joint.

Also known as: joint scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Lab Values

AST

Liver/muscle enzyme

An enzyme found in liver, heart, muscle, and other tissues.

Also known as: Aspartate Aminotransferase

Clinical note: Often interpreted with ALT and clinical context.

AST = enzyme clue.
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Conditions

Asthma

Reversible airway narrowing

A respiratory condition involving airway inflammation and bronchospasm.

Also known as: Reactive Airway Disease

Clinical note: May cause wheezing, cough, chest tightness, and shortness of breath.

Asthma = airway narrowing.
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EKG

Asystole

No electrical activity

A flatline rhythm with no effective cardiac electrical activity.

Also known as: Flatline

Clinical note: A life-threatening rhythm requiring emergency response.

Asystole = no systole.
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Conditions

Atelectasis

Collapsed air sacs

Partial or complete collapse of alveoli in the lung.

Also known as: Collapsed Lung Area

Clinical note: May occur after surgery or with shallow breathing.

Atelectasis = alveoli not open.
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EKG

Atrial fibrillation

Irregular atrial rhythm

A common arrhythmia with irregular electrical activity in the atria.

Also known as: AFib

Clinical note: Often produces an irregularly irregular pulse.

AFib = irregular atrial rhythm.
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Anatomy

Atrium

Upper heart chamber

One of the upper chambers of the heart that receives blood.

Also known as: Atria

Clinical note: Right and left atria receive blood returning to the heart.

Atrium receives.
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Medical Word Parts

auto-

Prefix meaning self

A medical prefix that means self. Example: autoimmune means immune response against self.

Also known as: Prefix; autoimmune

Clinical note: This word part helps learners decode terms before memorizing full definitions.

auto- = self.
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Medical Equipment

Autoclave

Sterilizer

Device that uses steam under pressure to sterilize instruments.

Also known as: Steam Sterilizer

Clinical note: Used in sterile processing and clinical settings.

Autoclave sterilizes.
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Conditions

Bacteremia

Bacteria in blood

Presence of bacteria in the bloodstream.

Also known as: Bloodstream Bacteria

Clinical note: Can become serious and may progress to sepsis.

-emia = blood condition.
Pharmacology

Beta blocker

Heart rate/blood pressure medication

A medication class that blocks beta receptors and can lower heart rate and blood pressure.

Also known as: Metoprolol Class

Clinical note: Assessment of pulse and blood pressure may be important before administration.

Beta blockers block stimulation.
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Medical Word Parts

bi-

Prefix meaning two

A medical prefix that means two. Example: bilateral means both sides.

Also known as: Prefix; bilateral

Clinical note: This word part helps learners decode terms before memorizing full definitions.

bi- = two.
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Abbreviations

BID

Twice daily

Medication or care frequency meaning two times per day.

Also known as: bis in die

Clinical note: Important abbreviation to verify according to policy.

BID = two times daily.
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Lab Values

Bilirubin

Bile pigment

A substance produced from breakdown of red blood cells.

Also known as: Bili

Clinical note: High levels can contribute to jaundice.

Bilirubin = yellow pigment.
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Procedures

Biopsy

Tissue sample

Removal of a small tissue sample for examination.

Also known as: Tissue Sampling

Clinical note: Used to help diagnose disease processes.

Biopsy = tissue test.
Lab Values

BNP

Heart strain marker

A blood marker associated with ventricular stretch and heart failure evaluation.

Also known as: Brain Natriuretic Peptide

Clinical note: Used with symptoms, exam, and other tests.

BNP = heart stretch clue.
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Abbreviations

BP

Blood pressure

A vital sign measuring force of blood against artery walls.

Also known as: Blood Pressure

Clinical note: Usually written as systolic over diastolic.

BP = blood pressure.
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Medical Word Parts

brady-

Prefix meaning slow

A medical prefix that means slow. Example: bradycardia means slow heart rate.

Also known as: Prefix; bradycardia

Clinical note: This word part helps learners decode terms before memorizing full definitions.

brady- = slow.
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Respiratory

Bradypnea

Slow breathing

A respiratory rate slower than expected.

Also known as: Slow Respirations

Clinical note: May be concerning with sedation or respiratory depression.

Brady- means slow; -pnea means breathing.
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Anatomy

Brainstem

Basic life function center

Part of the brain connecting to the spinal cord and helping regulate vital functions.

Also known as: Stem of Brain

Clinical note: Important for breathing, heart rate, and alertness.

Brainstem = survival functions.
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Anatomy

Bronchi

Large airways

Major air passages branching from the trachea into the lungs.

Also known as: Bronchial Tubes

Clinical note: Conduct air into the lungs.

Bronchi branch.
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Conditions

Bronchitis

Inflammation of bronchi

Inflammation of the large airways in the lungs.

Also known as: Airway Inflammation

Clinical note: Can cause cough, mucus, wheezing, and chest discomfort.

-itis = inflammation.
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Pharmacology

Bronchodilator

Airway-opening medication

A medication that relaxes airway muscles to improve airflow.

Also known as: Inhaler; Albuterol

Clinical note: Used in bronchospasm conditions such as asthma or COPD.

Broncho = airway; dilator = opens.
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Procedures

Bronchoscopy

Visual examination of the bronchi/airways

A procedure using a scope to visually examine the bronchi/airways.

Also known as: bronchi/airways scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Lab Values

BUN

Blood urea nitrogen

A blood test that helps evaluate kidney function and hydration status.

Also known as: Blood Urea Nitrogen

Clinical note: Often interpreted with creatinine and GFR.

BUN = kidney waste clue.
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Abbreviations

C/O

Complains of

Abbreviation used to document what a patient reports.

Also known as: Complaint Of

Clinical note: Use objective charting and patient quotes when appropriate.

C/O = complains of.
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Lab Values

Calcium

Electrolyte/mineral

A mineral important for bones, muscles, nerves, and clotting.

Also known as: Ca

Clinical note: Abnormal calcium can affect muscles and rhythm.

Calcium = bones and contraction.
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Anatomy

Capillary

Tiny exchange vessel

A tiny blood vessel where exchange occurs between blood and tissue.

Also known as: Microvessel

Clinical note: Important for oxygen, nutrient, and waste exchange.

Capillaries exchange.
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Assessment

Capillary refill

Perfusion check

Time it takes for color to return after pressure is applied to skin or nail bed.

Also known as: Cap Refill

Clinical note: One clue for peripheral circulation.

Cap refill = circulation clue.
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Medical Word Parts

cardi / cardio

Root meaning heart

A medical root word that means heart. Example: cardiology means study of the heart.

Also known as: Root word; cardiology

Clinical note: Root words carry the main meaning of many medical terms.

cardi / cardio = heart.
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Conditions

Carditis

Inflammation of the heart

A medical term meaning inflammation of the heart.

Also known as: card + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Conditions

Cellulitis

Skin infection

Infection of the skin and soft tissue.

Also known as: Skin Infection

Clinical note: Often appears red, warm, swollen, and painful.

Cellulitis = skin infection.
Anatomy

Cerebellum

Coordination brain area

Brain region involved in balance and coordination.

Also known as: Little Brain

Clinical note: Important for smooth movement.

Cerebellum coordinates.
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Anatomy

Cerebrum

Largest brain region

The largest part of the brain involved in higher thinking, movement, and sensation.

Also known as: Brain

Clinical note: Includes right and left hemispheres.

Cerebrum = main thinking brain.
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Assessment

Chest pain

Pain or discomfort in chest

A symptom that can have cardiac, respiratory, GI, muscle, anxiety, or other causes.

Also known as: Chest Discomfort

Clinical note: Needs careful assessment because some causes are life-threatening.

Chest pain = priority symptom.
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Lab Values

Chloride

Electrolyte

An electrolyte involved in fluid and acid-base balance.

Also known as: Cl

Clinical note: Often interpreted with sodium and bicarbonate.

Chloride balances charge.
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Medical Word Parts

chole

Root meaning bile or gallbladder

A medical root word that means bile or gallbladder. Example: cholecystectomy means gallbladder removal.

Also known as: Root word; cholecystectomy

Clinical note: Root words carry the main meaning of many medical terms.

chole = bile or gallbladder.
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Procedures

Cholecystectomy

Gallbladder removal

Surgical removal of the gallbladder.

Also known as: Gallbladder Surgery

Clinical note: Common procedure for certain gallbladder conditions.

-ectomy = removal.
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Medical Word Parts

circum-

Prefix meaning around

A medical prefix that means around. Example: circumoral means around the mouth.

Also known as: Prefix; circumoral

Clinical note: This word part helps learners decode terms before memorizing full definitions.

circum- = around.
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Assessment

Clubbing

Nail shape change

Bulbous enlargement of fingertips or nail angle changes sometimes linked with chronic hypoxia.

Also known as: Nail Clubbing

Clinical note: Can be a respiratory or cardiovascular clue.

Clubbing = chronic oxygen clue.
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Medical Word Parts

col / colon

Root meaning colon

A medical root word that means colon. Example: colostomy means opening into colon.

Also known as: Root word; colostomy

Clinical note: Root words carry the main meaning of many medical terms.

col / colon = colon.
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Procedures

Colectomy

Surgical removal of the colon

A surgical procedure involving removal of the colon.

Also known as: colon removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Procedures

Colonoscopy

Visual exam of colon

A procedure using a scope to examine the colon.

Also known as: Colon Scope

Clinical note: Used for screening, diagnosis, or evaluation.

Colono + scopy = colon visual exam.
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ABG

Compensation

Body balancing response

A physiologic response where the respiratory or metabolic system tries to correct an acid-base imbalance.

Also known as: ABG Compensation

Clinical note: ABG questions may ask whether the body is compensating.

Compensation = correction attempt.
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Medical Word Parts

contra-

Prefix meaning against or opposite

A medical prefix that means against or opposite. Example: contraindication means reason not to use.

Also known as: Prefix; contraindication

Clinical note: This word part helps learners decode terms before memorizing full definitions.

contra- = against or opposite.
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Conditions

COPD

Chronic obstructive pulmonary disease

A chronic lung disease involving airflow limitation.

Also known as: Chronic Lung Disease

Clinical note: May involve emphysema, chronic bronchitis, oxygen needs, and exacerbations.

COPD = chronic obstructed airflow.
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Respiratory

Cough

Forceful air expulsion

A protective reflex that clears the airway of irritants, secretions, or foreign material.

Also known as: Coughing

Clinical note: Assess duration, sputum, blood, fever, and respiratory distress.

Cough protects airway.
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Respiratory

Crackles

Popping lung sounds

Short, popping breath sounds that may be associated with fluid or alveolar opening.

Also known as: Rales

Clinical note: Need clinical context such as fluid overload or pneumonia.

Crackles sound like popping.
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Medical Equipment

Crash cart

Emergency supply cart

A cart stocked with emergency equipment and medications.

Also known as: Code Cart

Clinical note: Used during emergencies according to facility protocols.

Crash cart = emergency cart.
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Lab Values

Creatinine

Kidney function marker

A waste product measured in blood to help evaluate kidney function.

Also known as: Cr

Clinical note: Often interpreted with BUN and GFR.

Creatinine rises when filtering worsens.
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Conditions

CVA

Stroke

A brain injury caused by interrupted blood flow or bleeding in the brain.

Also known as: Cerebrovascular Accident; Stroke

Clinical note: May cause facial droop, weakness, speech changes, or confusion.

CVA = stroke.
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Assessment

Cyanosis

Bluish discoloration

Blue or bluish color of skin or mucous membranes often linked with low oxygenation.

Also known as: Blue Skin

Clinical note: A concerning assessment finding, especially with distress.

Cyan = blue.
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Medical Word Parts

cyst

Root meaning bladder

A medical root word that means bladder. Example: cystitis means bladder inflammation.

Also known as: Root word; cystitis

Clinical note: Root words carry the main meaning of many medical terms.

cyst = bladder.
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Conditions

Cystitis

Inflammation of the bladder

A medical term meaning inflammation of the bladder.

Also known as: cyst + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Cystoscopy

Visual examination of the bladder

A procedure using a scope to visually examine the bladder.

Also known as: bladder scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Medical Word Parts

cyt

Root meaning cell

A medical root word that means cell. Example: cytology means study of cells.

Also known as: Root word; cytology

Clinical note: Root words carry the main meaning of many medical terms.

cyt = cell.
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Medical Word Parts

de-

Prefix meaning down or away

A medical prefix that means down or away. Example: dehydration means loss of water.

Also known as: Prefix; dehydration

Clinical note: This word part helps learners decode terms before memorizing full definitions.

de- = down or away.
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Medical Equipment

Defibrillator

Shock device

Device used to deliver electrical therapy for certain life-threatening rhythms.

Also known as: Code Cart Device

Clinical note: Used in emergencies according to protocols.

Defib delivers shock.
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Conditions

Dehydration

Fluid deficit

A condition where the body does not have enough fluid.

Also known as: Volume Depletion

Clinical note: May affect blood pressure, heart rate, urine output, and labs.

Dehydration = low fluid.
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Medical Word Parts

derm / dermat

Root meaning skin

A medical root word that means skin. Example: dermatitis means skin inflammation.

Also known as: Root word; dermatitis

Clinical note: Root words carry the main meaning of many medical terms.

derm / dermat = skin.
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Conditions

Dermatitis

Inflammation of the skin

A medical term meaning inflammation of the skin.

Also known as: dermat + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Medical Word Parts

dia-

Prefix meaning through or across

A medical prefix that means through or across. Example: diarrhea means flow through.

Also known as: Prefix; diarrhea

Clinical note: This word part helps learners decode terms before memorizing full definitions.

dia- = through or across.
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Procedures

Dialysis

Blood filtering therapy

Treatment that removes waste and fluid when kidneys cannot do so adequately.

Also known as: Hemodialysis

Clinical note: Related to kidney failure and renal replacement therapy.

Dialysis filters blood.
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Assessment

Diaphoresis

Sweating

Excessive sweating noted during assessment.

Also known as: Sweaty; Clammy

Clinical note: Can occur with pain, fever, shock, hypoglycemia, or cardiac symptoms.

Diaphoresis = sweating.
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Anatomy

Diaphragm

Main breathing muscle

A dome-shaped muscle that helps drive breathing.

Also known as: Breathing Muscle

Clinical note: Contracts during inhalation.

Diaphragm drives breathing.
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Conditions

Diarrhea

Frequent loose stools

Loose or watery stool occurring more often than normal.

Also known as: Loose Stool

Clinical note: Can contribute to dehydration and electrolyte imbalance.

-rrhea = flow/discharge.
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Anatomy

Distal

Farther from attachment

Farther from the point where a limb or structure attaches to the body.

Also known as: Far from Origin

Clinical note: Often used for arms and legs.

Distal = distant.
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Pharmacology

Diuretic

Water pill

A medication that increases urine output.

Also known as: Water Pill

Clinical note: Can affect electrolytes and fluid balance.

Diuretic = drives urine.
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Assessment

Dizziness

Feeling lightheaded or unsteady

A symptom that may involve balance, circulation, neurologic, medication, or inner ear causes.

Also known as: Lightheaded

Clinical note: Assess onset, triggers, vitals, neuro status, and fall risk.

Dizziness = safety clue.
Medical Word Parts

dys-

Prefix meaning bad, difficult, or abnormal

A medical prefix that means bad, difficult, or abnormal. Example: dyspnea means difficult breathing.

Also known as: Prefix; dyspnea

Clinical note: This word part helps learners decode terms before memorizing full definitions.

dys- = bad, difficult, or abnormal.
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Respiratory

Dyspnea

Difficulty breathing

Subjective feeling of shortness of breath or difficult breathing.

Also known as: Shortness of Breath

Clinical note: Requires respiratory assessment and context.

Dys- = difficult; -pnea = breathing.
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Medical Word Parts

ec- / ecto-

Prefix meaning outside

A medical prefix that means outside. Example: ectopic means out of place.

Also known as: Prefix; ectopic

Clinical note: This word part helps learners decode terms before memorizing full definitions.

ec- / ecto- = outside.
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Medical Equipment

ECG monitor

Heart rhythm monitor

A monitoring device that displays cardiac electrical activity.

Also known as: EKG Monitor

Clinical note: Used for rhythm monitoring and clinical assessment.

ECG monitor shows rhythm.
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Conditions

Edema

Swelling

Fluid accumulation in tissues.

Also known as: Swelling

Clinical note: Can be localized or generalized and may be pitting or non-pitting.

Edema = fluid swelling.
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Medical Word Parts

en-

Prefix meaning in or within

A medical prefix that means in or within. Example: encephalitis means inflammation within brain tissue context.

Also known as: Prefix; encephalitis

Clinical note: This word part helps learners decode terms before memorizing full definitions.

en- = in or within.
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Medical Word Parts

encephal

Root meaning brain

A medical root word that means brain. Example: encephalitis means brain inflammation.

Also known as: Root word; encephalitis

Clinical note: Root words carry the main meaning of many medical terms.

encephal = brain.
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Conditions

Encephalitis

Inflammation of the brain

A medical term meaning inflammation of the brain.

Also known as: encephal + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Medical Word Parts

endo-

Prefix meaning inside or within

A medical prefix that means inside or within. Example: endoscopy means visual exam inside body.

Also known as: Prefix; endoscopy

Clinical note: This word part helps learners decode terms before memorizing full definitions.

endo- = inside or within.
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Procedures

Endoscopy

Visual exam inside body

A procedure using a scope to look inside the body.

Also known as: Scope Procedure

Clinical note: Examples include upper endoscopy and colonoscopy.

Endo = inside; scopy = visual exam.
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Medical Word Parts

enter

Root meaning intestine

A medical root word that means intestine. Example: enteritis means intestinal inflammation.

Also known as: Root word; enteritis

Clinical note: Root words carry the main meaning of many medical terms.

enter = intestine.
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Medical Equipment

Enteral feeding pump

Tube feeding pump

Device used to deliver nutrition through a feeding tube.

Also known as: Feeding Pump

Clinical note: Used when patients receive nutrition through enteral access.

Enteral pump feeds gut.
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Conditions

Enteritis

Inflammation of the intestine

A medical term meaning inflammation of the intestine.

Also known as: enter + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Medical Word Parts

epi-

Prefix meaning upon or above

A medical prefix that means upon or above. Example: epidermis means outer layer of skin.

Also known as: Prefix; epidermis

Clinical note: This word part helps learners decode terms before memorizing full definitions.

epi- = upon or above.
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Assessment

Erythema

Redness

Redness of skin or mucous membranes.

Also known as: Skin Redness

Clinical note: Can be associated with inflammation, infection, irritation, or pressure.

Erythr/o = red.
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Medical Word Parts

erythr

Root meaning red

A medical root word that means red. Example: erythrocyte means red blood cell.

Also known as: Root word; erythrocyte

Clinical note: Root words carry the main meaning of many medical terms.

erythr = red.
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Medical Equipment

ESU

Electrosurgical unit

Device that uses electrical energy for cutting or coagulating tissue during surgery.

Also known as: Bovie

Clinical note: Important for OR safety and grounding/return electrode concepts.

ESU = surgical electricity.
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Medical Word Parts

eu-

Prefix meaning normal or good

A medical prefix that means normal or good. Example: eupnea means normal breathing.

Also known as: Prefix; eupnea

Clinical note: This word part helps learners decode terms before memorizing full definitions.

eu- = normal or good.
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Respiratory

Eupnea

Normal breathing

Normal, unlabored breathing.

Also known as: Normal Respirations

Clinical note: Contrasts with dyspnea, apnea, tachypnea, and bradypnea.

Eu- = normal/good; -pnea = breathing.
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Medical Word Parts

extra-

Prefix meaning outside

A medical prefix that means outside. Example: extracellular means outside the cell.

Also known as: Prefix; extracellular

Clinical note: This word part helps learners decode terms before memorizing full definitions.

extra- = outside.
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Assessment

Fatigue

Extreme tiredness

A subjective feeling of tiredness or lack of energy.

Also known as: Tiredness

Clinical note: Can be caused by anemia, infection, sleep issues, medications, chronic illness, and more.

Fatigue = low energy.
Anatomy

Femur

Thigh bone

The long bone of the upper leg.

Also known as: Thigh Bone

Clinical note: The femur is the longest bone in the body.

Femur = thigh.
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Vital Signs

Fever

Elevated body temperature

A higher-than-normal temperature, often associated with infection or inflammation.

Also known as: Febrile

Clinical note: Assess symptoms, trend, and patient risk.

Fever = elevated temp.
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Anatomy

Fibula

Smaller lower leg bone

The smaller bone on the lateral side of the lower leg.

Also known as: Lower Leg Bone

Clinical note: Helps stabilize ankle and lower leg.

Fibula is fine/smaller.
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Conditions

Fluid overload

Too much fluid

Excess fluid in the body or circulation.

Also known as: Volume Overload

Clinical note: May cause edema, crackles, weight gain, or shortness of breath.

Fluid overload = excess volume.
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Assessment

Gait

Walking pattern

The way a person walks.

Also known as: Walk Pattern

Clinical note: Assessed for balance, strength, coordination, and fall risk.

Gait = walking style.
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Medical Word Parts

gastr

Root meaning stomach

A medical root word that means stomach. Example: gastritis means stomach inflammation.

Also known as: Root word; gastritis

Clinical note: Root words carry the main meaning of many medical terms.

gastr = stomach.
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Procedures

Gastrectomy

Surgical removal of the stomach

A surgical procedure involving removal of the stomach.

Also known as: stomach removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Conditions

Gastritis

Inflammation of the stomach

A medical term meaning inflammation of the stomach.

Also known as: gastr + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Gastroscopy

Visual examination of the stomach

A procedure using a scope to visually examine the stomach.

Also known as: stomach scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Lab Values

GFR

Glomerular filtration rate

An estimate of how well the kidneys are filtering blood.

Also known as: Kidney Filtration

Clinical note: Used to stage kidney function.

GFR = kidney filtering estimate.
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Conditions

Gingivitis

Inflammation of the gums

A medical term meaning inflammation of the gums.

Also known as: gingiv + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Anatomy

Glomerulus

Kidney filter network

A capillary network in the nephron that filters blood.

Also known as: Kidney Filter Ball

Clinical note: The first major filtering structure in the nephron.

Glomerulus filters.
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Medical Word Parts

gloss

Root meaning tongue

A medical root word that means tongue. Example: glossitis means tongue inflammation.

Also known as: Root word; glossitis

Clinical note: Root words carry the main meaning of many medical terms.

gloss = tongue.
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Lab Values

Glucose

Blood sugar

A sugar used by the body for energy.

Also known as: Blood Sugar

Clinical note: High or low glucose can affect mental status and safety.

Glucose = sugar fuel.
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Medical Word Parts

glyc

Root meaning sugar

A medical root word that means sugar. Example: hypoglycemia means low blood sugar.

Also known as: Root word; hypoglycemia

Clinical note: Root words carry the main meaning of many medical terms.

glyc = sugar.
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Assessment

Guarding

Protective body tension

Tensing or protecting an area due to pain or irritation.

Also known as: Abdominal Guarding

Clinical note: Can be an important pain or abdominal assessment clue.

Guarding protects pain area.
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ABG

HCO3

Bicarbonate

The metabolic component used in basic ABG interpretation.

Also known as: Bicarb; Bicarbonate

Clinical note: Low HCO3 points toward metabolic acidosis; high HCO3 points toward metabolic alkalosis.

HCO3 is metabolic.
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Conditions

Heart failure

Poor heart pumping/filling

A condition where the heart cannot meet the body's needs effectively.

Also known as: HF; CHF

Clinical note: Can cause edema, shortness of breath, fatigue, and fluid issues.

Heart failure = pump/fill problem.
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Medical Word Parts

hem / hemat

Root meaning blood

A medical root word that means blood. Example: hematology means study of blood.

Also known as: Root word; hematology

Clinical note: Root words carry the main meaning of many medical terms.

hem / hemat = blood.
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Lab Values

Hematocrit

Percent of blood made of RBCs

The proportion of blood volume occupied by red blood cells.

Also known as: Hct

Clinical note: Often interpreted with hemoglobin.

Hematocrit = packed RBC percentage.
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Medical Word Parts

hemi-

Prefix meaning half

A medical prefix that means half. Example: hemiplegia means paralysis of one side.

Also known as: Prefix; hemiplegia

Clinical note: This word part helps learners decode terms before memorizing full definitions.

hemi- = half.
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Lab Values

Hemoglobin

Oxygen-carrying protein

A protein in red blood cells that carries oxygen.

Also known as: Hgb

Clinical note: Low hemoglobin can indicate anemia or blood loss.

Hgb carries oxygen.
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Medical Word Parts

hepat

Root meaning liver

A medical root word that means liver. Example: hepatitis means liver inflammation.

Also known as: Root word; hepatitis

Clinical note: Root words carry the main meaning of many medical terms.

hepat = liver.
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Conditions

Hepatitis

Inflammation of the liver

A medical term meaning inflammation of the liver.

Also known as: hepat + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Anatomy

Humerus

Upper arm bone

The long bone of the upper arm.

Also known as: Upper Arm Bone

Clinical note: Connects shoulder to elbow.

Humerus = upper arm.
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Medical Word Parts

hyper-

Prefix meaning high or above normal

A medical prefix that means high or above normal. Example: hypertension means high blood pressure.

Also known as: Prefix; hypertension

Clinical note: This word part helps learners decode terms before memorizing full definitions.

hyper- = high or above normal.
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Conditions

Hyperglycemia

High blood sugar

Blood glucose higher than normal.

Also known as: High Glucose

Clinical note: May occur with diabetes, stress, steroids, or other causes.

Hyper- = high; glyc = sugar.
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Conditions

Hyperkalemia

High potassium

Potassium level higher than normal.

Also known as: High K

Clinical note: Can be dangerous because potassium affects cardiac rhythm.

Hyper- = high; kal = potassium.
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Conditions

Hypernatremia

High sodium

Sodium level higher than normal.

Also known as: High Na

Clinical note: Often related to water balance and dehydration states.

Hyper- = high; natr = sodium.
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Medical Word Parts

hypo-

Prefix meaning low or below normal

A medical prefix that means low or below normal. Example: hypoglycemia means low blood sugar.

Also known as: Prefix; hypoglycemia

Clinical note: This word part helps learners decode terms before memorizing full definitions.

hypo- = low or below normal.
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Conditions

Hypoglycemia

Low blood sugar

Blood glucose lower than normal.

Also known as: Low Glucose

Clinical note: May cause sweating, shakiness, confusion, weakness, or loss of consciousness.

Hypo- = low; glyc = sugar.
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Conditions

Hypokalemia

Low potassium

Potassium level lower than normal.

Also known as: Low K

Clinical note: Can affect muscle function and cardiac rhythm.

Hypo- = low; kal = potassium.
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Conditions

Hyponatremia

Low sodium

Sodium level lower than normal.

Also known as: Low Na

Clinical note: Can cause confusion, weakness, seizures, or other neurologic concerns depending on severity.

Hypo- = low; natr = sodium.
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Vital Signs

Hypothermia

Low body temperature

A body temperature below expected range.

Also known as: Low Temperature

Clinical note: Can be serious, especially in infants, older adults, exposure, or sepsis contexts.

Hypo = low; therm = heat.
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Conditions

Hypoxia

Low oxygen in tissues

Inadequate oxygen reaching body tissues.

Also known as: Low Oxygen

Clinical note: A priority concern when associated with distress or low oxygen saturation.

Hypo- = low; oxia = oxygen.
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Medical Word Parts

hyster / metr

Root meaning uterus

A medical root word that means uterus. Example: hysterectomy means removal of uterus.

Also known as: Root word; hysterectomy

Clinical note: Root words carry the main meaning of many medical terms.

hyster / metr = uterus.
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Procedures

Hysterectomy

Surgical removal of the uterus

A surgical procedure involving removal of the uterus.

Also known as: uterus removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Abbreviations

IM

Intramuscular

Medication route given into muscle.

Also known as: Into Muscle

Clinical note: Common injection route.

IM = in muscle.
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Medical Equipment

Infant warmer

Newborn warming device

Device used to help maintain newborn temperature.

Also known as: Radiant Warmer

Clinical note: Common in neonatal and delivery settings.

Infant warmer keeps newborn warm.
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Conditions

Infection

Invasion by microorganisms

A condition caused by harmful microorganisms multiplying in the body.

Also known as: Bacterial; Viral; Fungal

Clinical note: Assessment may include fever, redness, drainage, pain, swelling, or abnormal labs.

Infection = organism problem.
Anatomy

Inferior

Below

A directional term meaning below or toward the feet.

Also known as: Caudal

Clinical note: Used to compare locations in anatomy.

Inferior = lower.
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Conditions

Inflammation

Body response to injury

A protective response that can cause redness, heat, swelling, pain, and loss of function.

Also known as: Inflammatory Response

Clinical note: Not all inflammation is infection.

-itis often means inflammation.
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Lab Values

INR

International normalized ratio

A standardized clotting measurement often used with warfarin monitoring.

Also known as: Coagulation Ratio

Clinical note: Higher values can indicate increased bleeding risk depending context.

INR standardizes PT.
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Pharmacology

Insulin

Glucose-lowering hormone/medication

A hormone or medication that helps move glucose into cells.

Also known as: Blood Sugar Medication

Clinical note: Requires careful dosing, timing, and glucose monitoring.

Insulin lowers glucose.
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Medical Word Parts

inter-

Prefix meaning between

A medical prefix that means between. Example: intercostal means between ribs.

Also known as: Prefix; intercostal

Clinical note: This word part helps learners decode terms before memorizing full definitions.

inter- = between.
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Medical Word Parts

intra-

Prefix meaning within

A medical prefix that means within. Example: intravenous means within a vein.

Also known as: Prefix; intravenous

Clinical note: This word part helps learners decode terms before memorizing full definitions.

intra- = within.
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Procedures

Intubation

Tube placement into airway

Placement of a tube into the trachea to support or secure the airway.

Also known as: Airway Tube

Clinical note: Performed by trained clinicians in appropriate settings.

Intubation = tube in airway.
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Conditions

Ischemia

Reduced blood flow

Inadequate blood supply to tissue, causing reduced oxygen delivery.

Also known as: Poor Perfusion

Clinical note: Can cause pain or tissue injury depending on location.

Ischemia = not enough blood flow.
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Medical Word Parts

iso-

Prefix meaning equal or same

A medical prefix that means equal or same. Example: isotonic means same tone/concentration.

Also known as: Prefix; isotonic

Clinical note: This word part helps learners decode terms before memorizing full definitions.

iso- = equal or same.
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Abbreviations

IV

Intravenous

Medication or fluid route given into a vein.

Also known as: Into Vein

Clinical note: Common route for fluids and medications.

IV = in vein.
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Medical Equipment

IV pump

Infusion device

Medical device used to deliver fluids or medications at a controlled rate.

Also known as: Infusion Pump

Clinical note: Common in hospitals and clinical settings.

IV pump controls flow.
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Assessment

Jaundice

Yellowing of skin or eyes

Yellow discoloration often related to bilirubin buildup.

Also known as: Yellow Skin

Clinical note: Can suggest liver, bile duct, or blood breakdown issues.

Jaundice = yellow clue.
Lab Values

Ketones

Fat breakdown products

Substances produced when the body breaks down fat for energy.

Also known as: Urine/Blood Ketones

Clinical note: Can be important in diabetes and starvation states.

Ketones = fat fuel byproduct.
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Lab Values

Lactic acid

Perfusion/sepsis marker

A lab that can rise with poor tissue oxygenation, shock, sepsis, or metabolic stress.

Also known as: Lactate

Clinical note: Elevated values require clinical context.

Lactate = stress/perfusion clue.
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Procedures

Laparoscopy

Visual examination of the abdominal cavity

A procedure using a scope to visually examine the abdominal cavity.

Also known as: abdominal cavity scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Medical Word Parts

laryng

Root meaning larynx

A medical root word that means larynx. Example: laryngitis means larynx inflammation.

Also known as: Root word; laryngitis

Clinical note: Root words carry the main meaning of many medical terms.

laryng = larynx.
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Conditions

Laryngitis

Inflammation of the larynx

A medical term meaning inflammation of the larynx.

Also known as: laryng + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Laryngoscopy

Visual examination of the larynx

A procedure using a scope to visually examine the larynx.

Also known as: larynx scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Anatomy

Lateral

Away from midline

A directional term meaning farther from the center line of the body.

Also known as: Side Direction

Clinical note: Used to describe body location.

Lateral = side.
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Medical Word Parts

leuk

Root meaning white

A medical root word that means white. Example: leukocyte means white blood cell.

Also known as: Root word; leukocyte

Clinical note: Root words carry the main meaning of many medical terms.

leuk = white.
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Assessment

Level of consciousness

Alertness status

A patient's degree of wakefulness and responsiveness.

Also known as: LOC

Clinical note: Changes can indicate neurologic, metabolic, medication, oxygenation, or perfusion problems.

LOC = alertness clue.
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Lab Values

Lipase

Pancreatic enzyme lab

An enzyme often evaluated with suspected pancreatic disease.

Also known as: Pancreatic Enzyme

Clinical note: Often more pancreas-specific than amylase in many contexts.

Lipase relates to pancreas/fats.
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Procedures

Lobectomy

Surgical removal of the lobe of an organ

A surgical procedure involving removal of the lobe of an organ.

Also known as: lobe of an organ removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Abbreviations

LOC

Level of consciousness

A patient's wakefulness and responsiveness.

Also known as: Mental Status

Clinical note: Changes in LOC can be a major warning sign.

LOC = alertness status.
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Medical Word Parts

lymph

Root meaning lymph

A medical root word that means lymph. Example: lymphadenopathy means lymph node disease.

Also known as: Root word; lymphadenopathy

Clinical note: Root words carry the main meaning of many medical terms.

lymph = lymph.
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Assessment

Lymphadenopathy

Enlarged lymph nodes

Abnormal size, number, or consistency of lymph nodes.

Also known as: Swollen Nodes

Clinical note: Can be linked with infection, inflammation, or other conditions.

Lymph nodes enlarged.
Medical Word Parts

macro-

Prefix meaning large

A medical prefix that means large. Example: macrocyte means large cell.

Also known as: Prefix; macrocyte

Clinical note: This word part helps learners decode terms before memorizing full definitions.

macro- = large.
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Lab Values

Magnesium

Electrolyte/mineral

A mineral important for neuromuscular and cardiac function.

Also known as: Mg

Clinical note: Often linked with potassium and rhythm concerns.

Magnesium calms muscles/rhythm.
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Medical Word Parts

mal-

Prefix meaning bad or poor

A medical prefix that means bad or poor. Example: malnutrition means poor nutrition.

Also known as: Prefix; malnutrition

Clinical note: This word part helps learners decode terms before memorizing full definitions.

mal- = bad or poor.
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Procedures

Mastectomy

Surgical removal of the breast tissue

A surgical procedure involving removal of the breast tissue.

Also known as: breast tissue removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Anatomy

Medial

Toward the midline

A directional term meaning closer to the center line of the body.

Also known as: Midline Direction

Clinical note: Used to describe body location.

Medial = middle.
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Conditions

Meningitis

Inflammation of the meninges

A medical term meaning inflammation of the meninges.

Also known as: mening + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Medical Word Parts

meta-

Prefix meaning change or beyond

A medical prefix that means change or beyond. Example: metabolism means process of change.

Also known as: Prefix; metabolism

Clinical note: This word part helps learners decode terms before memorizing full definitions.

meta- = change or beyond.
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ABG

Metabolic acidosis

Low pH from metabolic cause

Acidosis caused primarily by low bicarbonate or another metabolic process.

Also known as: Low HCO3 Pattern

Clinical note: ABG pattern often includes low pH and low HCO3.

Metabolic follows HCO3.
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ABG

Metabolic alkalosis

High pH from metabolic cause

Alkalosis caused primarily by high bicarbonate or another metabolic process.

Also known as: High HCO3 Pattern

Clinical note: ABG pattern often includes high pH and high HCO3.

Metabolic follows HCO3.
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Medical Word Parts

micro-

Prefix meaning small

A medical prefix that means small. Example: microscope means tool to see small things.

Also known as: Prefix; microscope

Clinical note: This word part helps learners decode terms before memorizing full definitions.

micro- = small.
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Medical Word Parts

my / myo

Root meaning muscle

A medical root word that means muscle. Example: myalgia means muscle pain.

Also known as: Root word; myalgia

Clinical note: Root words carry the main meaning of many medical terms.

my / myo = muscle.
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Medical Word Parts

myel

Root meaning spinal cord or bone marrow

A medical root word that means spinal cord or bone marrow. Example: myelopathy means spinal cord disorder.

Also known as: Root word; myelopathy

Clinical note: Root words carry the main meaning of many medical terms.

myel = spinal cord or bone marrow.
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Conditions

Myocardial infarction

Heart attack

Heart muscle injury caused by reduced blood flow.

Also known as: MI; Heart Attack

Clinical note: Often evaluated with symptoms, EKG, and troponin.

Myo-cardial = heart muscle.
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Conditions

Myocarditis

Inflammation of the heart muscle

A medical term meaning inflammation of the heart muscle.

Also known as: myocard + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Assessment

Nausea

Feeling like vomiting

An uncomfortable sensation that may precede vomiting.

Also known as: Upset stomach

Clinical note: Assess vomiting, hydration, pain, medications, and associated symptoms.

Nausea = may vomit.
Conditions

Necrosis

Tissue death

Death of body tissue.

Also known as: Dead Tissue

Clinical note: Can occur from ischemia, infection, trauma, or other causes.

Necrosis = tissue death.
Medical Word Parts

neo-

Prefix meaning new

A medical prefix that means new. Example: neoplasm means new growth.

Also known as: Prefix; neoplasm

Clinical note: This word part helps learners decode terms before memorizing full definitions.

neo- = new.
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Medical Word Parts

nephr / ren

Root meaning kidney

A medical root word that means kidney. Example: nephrology means kidney specialty.

Also known as: Root word; nephrology

Clinical note: Root words carry the main meaning of many medical terms.

nephr / ren = kidney.
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Procedures

Nephrectomy

Surgical removal of the kidney

A surgical procedure involving removal of the kidney.

Also known as: kidney removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Conditions

Nephritis

Inflammation of the kidney

A medical term meaning inflammation of the kidney.

Also known as: nephr + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Anatomy

Nephron

Kidney filtering unit

The microscopic functional unit of the kidney.

Also known as: Kidney Filter

Clinical note: Filters blood and helps regulate fluid and electrolytes.

Nephron filters.
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Medical Word Parts

neur / neuro

Root meaning nerve

A medical root word that means nerve. Example: neuropathy means nerve disorder.

Also known as: Root word; neuropathy

Clinical note: Root words carry the main meaning of many medical terms.

neur / neuro = nerve.
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Conditions

Neuritis

Inflammation of the nerve

A medical term meaning inflammation of the nerve.

Also known as: neur + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Abbreviations

NPO

Nothing by mouth

Instruction that the patient should not take food or fluids by mouth.

Also known as: nil per os

Clinical note: Often used before procedures or for aspiration risk.

NPO = no oral intake.
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Medical Word Parts

odont

Root meaning tooth

A medical root word that means tooth. Example: odontology means study of teeth.

Also known as: Root word; odontology

Clinical note: Root words carry the main meaning of many medical terms.

odont = tooth.
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Medical Word Parts

oligo-

Prefix meaning few or little

A medical prefix that means few or little. Example: oliguria means low urine output.

Also known as: Prefix; oliguria

Clinical note: This word part helps learners decode terms before memorizing full definitions.

oligo- = few or little.
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Medical Word Parts

oophor

Root meaning ovary

A medical root word that means ovary. Example: oophorectomy means removal of ovary.

Also known as: Root word; oophorectomy

Clinical note: Root words carry the main meaning of many medical terms.

oophor = ovary.
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Procedures

Oophorectomy

Surgical removal of the ovary

A surgical procedure involving removal of the ovary.

Also known as: ovary removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Medical Word Parts

ophthalm / ocul

Root meaning eye

A medical root word that means eye. Example: ophthalmology means study of the eye.

Also known as: Root word; ophthalmology

Clinical note: Root words carry the main meaning of many medical terms.

ophthalm / ocul = eye.
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Pharmacology

Opioid

Strong pain medication class

A medication class used for moderate to severe pain in appropriate settings.

Also known as: Narcotic Analgesic

Clinical note: Requires monitoring for sedation and respiratory depression.

Opioids can slow breathing.
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Medical Word Parts

orchid / test

Root meaning testis

A medical root word that means testis. Example: orchitis means testicular inflammation.

Also known as: Root word; orchitis

Clinical note: Root words carry the main meaning of many medical terms.

orchid / test = testis.
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Assessment

Orientation

Awareness of person/place/time/situation

A mental status assessment of whether a patient knows who they are, where they are, time, and situation.

Also known as: A&O

Clinical note: Commonly documented as alert and oriented.

Orientation = awareness.
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Assessment

Orthopnea

Shortness of breath lying flat

Difficulty breathing when lying down.

Also known as: Needs Pillows

Clinical note: Can be associated with heart or lung conditions.

Ortho + pnea = breathing position clue.
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Lab Values

Osmolality

Concentration of particles

A measure of dissolved particles in blood or urine.

Also known as: Serum Osmolality

Clinical note: Related to fluid balance and sodium/water problems.

Osmolality = concentration.
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Medical Word Parts

oste / osteo

Root meaning bone

A medical root word that means bone. Example: osteoporosis means bone condition.

Also known as: Root word; osteoporosis

Clinical note: Root words carry the main meaning of many medical terms.

oste / osteo = bone.
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Medical Word Parts

ot / oto

Root meaning ear

A medical root word that means ear. Example: otitis means ear inflammation.

Also known as: Root word; otitis

Clinical note: Root words carry the main meaning of many medical terms.

ot / oto = ear.
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Conditions

Otitis

Inflammation of the ear

A medical term meaning inflammation of the ear.

Also known as: ot + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Otoscopy

Visual examination of the ear

A procedure using a scope to visually examine the ear.

Also known as: ear scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Medical Equipment

Oxygen flowmeter

Oxygen flow device

Device used to control oxygen flow rate from a wall source or tank.

Also known as: Flowmeter

Clinical note: Connected to oxygen delivery devices.

Flowmeter controls oxygen flow.
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EKG

P wave

Atrial depolarization

The EKG wave that represents atrial electrical activation.

Also known as: Atrial Wave

Clinical note: Important when assessing rhythm.

P wave = atria.
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EKG

PAC

Premature atrial contraction

An early beat that originates from the atria.

Also known as: Atrial Ectopic Beat

Clinical note: Often seen as an early P wave with irregular timing.

PAC = premature atrial beat.
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ABG

PaCO2

Carbon dioxide pressure

The ABG value that reflects carbon dioxide ventilation.

Also known as: CO2

Clinical note: The main respiratory value in basic ABG interpretation.

PaCO2 is respiratory.
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Assessment

Pain

Unpleasant sensory/emotional experience

A symptom that should be assessed by location, severity, quality, timing, and triggers.

Also known as: Discomfort

Clinical note: Pain assessment supports clinical judgment and reassessment.

Pain needs details.
Assessment

Pallor

Pale appearance

Paleness of skin or mucous membranes.

Also known as: Pale Skin

Clinical note: May be associated with anemia, poor perfusion, shock, or other causes.

Pallor = pale.
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Cardiology

Palpitations

Awareness of heartbeat

Feeling that the heart is racing, pounding, skipping, or irregular.

Also known as: Heart Flutter

Clinical note: May be associated with arrhythmias, anxiety, stimulants, or other causes.

Palpitations = feeling heartbeat.
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Medical Word Parts

pan-

Prefix meaning all

A medical prefix that means all. Example: pancytopenia means low counts of all blood cells.

Also known as: Prefix; pancytopenia

Clinical note: This word part helps learners decode terms before memorizing full definitions.

pan- = all.
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Medical Word Parts

pancreat

Root meaning pancreas

A medical root word that means pancreas. Example: pancreatitis means pancreas inflammation.

Also known as: Root word; pancreatitis

Clinical note: Root words carry the main meaning of many medical terms.

pancreat = pancreas.
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Conditions

Pancreatitis

Inflammation of the pancreas

A medical term meaning inflammation of the pancreas.

Also known as: pancreat + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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ABG

PaO2

Oxygen pressure

The ABG value that reflects arterial oxygen level.

Also known as: Oxygenation

Clinical note: Used to evaluate oxygenation, not to name acid-base disorder.

PaO2 tells oxygenation.
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Medical Word Parts

para-

Prefix meaning beside or abnormal

A medical prefix that means beside or abnormal. Example: paraplegia means paralysis of lower body.

Also known as: Prefix; paraplegia

Clinical note: This word part helps learners decode terms before memorizing full definitions.

para- = beside or abnormal.
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Medical Word Parts

path

Root meaning disease

A medical root word that means disease. Example: pathology means study of disease.

Also known as: Root word; pathology

Clinical note: Root words carry the main meaning of many medical terms.

path = disease.
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Medical Equipment

Patient monitor

Monitoring device

Device that displays patient parameters such as heart rate, oxygen saturation, blood pressure, and respirations.

Also known as: Bedside Monitor

Clinical note: Used to track vital signs and alarms.

Monitor shows patient data.
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Assessment

Perfusion

Blood flow to tissue

Delivery of oxygenated blood to body tissues.

Also known as: Tissue Blood Flow

Clinical note: Poor perfusion can cause cool skin, weak pulses, or altered mental status.

Perfusion = tissue blood flow.
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Medical Word Parts

peri-

Prefix meaning around

A medical prefix that means around. Example: pericardium means around the heart.

Also known as: Prefix; pericardium

Clinical note: This word part helps learners decode terms before memorizing full definitions.

peri- = around.
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Conditions

Pharyngitis

Inflammation of the throat

A medical term meaning inflammation of the throat.

Also known as: pharyng + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Lab Values

Phosphorus

Electrolyte/mineral

A mineral important for bones, energy, kidneys, and cell function.

Also known as: Phosphate

Clinical note: Often interpreted with calcium and kidney function.

Phosphorus works with calcium.
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Assessment

Pitting edema

Indenting swelling

Swelling that leaves an indentation after pressure is applied.

Also known as: Pitting Swelling

Clinical note: Often graded during assessment.

Pitting leaves a pit.
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Lab Values

Platelets

Clotting cell fragments

Blood components involved in clot formation.

Also known as: PLT

Clinical note: Low platelets can increase bleeding risk.

Platelets plug bleeding.
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Conditions

Pleuritis

Inflammation of the pleura

A medical term meaning inflammation of the pleura.

Also known as: pleur + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Pneumonectomy

Surgical removal of the lung

A surgical procedure involving removal of the lung.

Also known as: lung removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Conditions

Pneumonia

Lung infection

Infection or inflammation of lung tissue.

Also known as: Lung Infection

Clinical note: May cause fever, cough, shortness of breath, and abnormal lung sounds.

Pneumo = lung/air.
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Conditions

Pneumonitis

Inflammation of the lung

A medical term meaning inflammation of the lung.

Also known as: pneumon + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Medical Word Parts

poly-

Prefix meaning many or much

A medical prefix that means many or much. Example: polyuria means excessive urination.

Also known as: Prefix; polyuria

Clinical note: This word part helps learners decode terms before memorizing full definitions.

poly- = many or much.
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Medical Word Parts

post-

Prefix meaning after

A medical prefix that means after. Example: postoperative means after surgery.

Also known as: Prefix; postoperative

Clinical note: This word part helps learners decode terms before memorizing full definitions.

post- = after.
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Anatomy

Posterior

Toward the back

A directional term meaning toward the back of the body.

Also known as: Dorsal

Clinical note: Used to describe location in anatomy and assessment.

Posterior = back.
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Lab Values

Potassium

Major electrolyte

An electrolyte important for heart rhythm, nerves, and muscles.

Also known as: K+

Clinical note: Abnormal potassium can be dangerous for the heart.

Potassium = rhythm risk.
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EKG

PR interval

Atrial-to-ventricular conduction time

The EKG interval from the beginning of the P wave to the beginning of the QRS complex.

Also known as: PR

Clinical note: Helps evaluate AV conduction.

PR = pause before QRS.
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Medical Word Parts

pre-

Prefix meaning before

A medical prefix that means before. Example: prenatal means before birth.

Also known as: Prefix; prenatal

Clinical note: This word part helps learners decode terms before memorizing full definitions.

pre- = before.
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Abbreviations

PRN

As needed

Medication or care given when needed within ordered parameters.

Also known as: pro re nata

Clinical note: Always follow order details and facility policy.

PRN = as needed.
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Medical Word Parts

proct

Root meaning rectum/anus

A medical root word that means rectum/anus. Example: proctoscopy means visual exam of rectum/anus.

Also known as: Root word; proctoscopy

Clinical note: Root words carry the main meaning of many medical terms.

proct = rectum/anus.
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Procedures

Proctoscopy

Visual examination of the rectum/anus

A procedure using a scope to visually examine the rectum/anus.

Also known as: rectum/anus scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Procedures

Prostatectomy

Surgical removal of the prostate

A surgical procedure involving removal of the prostate.

Also known as: prostate removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Conditions

Prostatitis

Inflammation of the prostate

A medical term meaning inflammation of the prostate.

Also known as: prostat + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Anatomy

Proximal

Closer to attachment

Closer to the point where a limb or structure attaches to the body.

Also known as: Near Origin

Clinical note: Often used for arms and legs.

Proximal = closer.
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Medical Word Parts

psych

Root meaning mind

A medical root word that means mind. Example: psychology means study of the mind.

Also known as: Root word; psychology

Clinical note: Root words carry the main meaning of many medical terms.

psych = mind.
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Lab Values

PT

Prothrombin time

A coagulation test that helps evaluate clotting.

Also known as: Protime

Clinical note: Often related to warfarin monitoring and clotting status.

PT = clotting time.
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Lab Values

PTT

Partial thromboplastin time

A coagulation test that evaluates part of the clotting pathway.

Also known as: aPTT

Clinical note: Often associated with heparin monitoring depending setting.

PTT = clotting pathway test.
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Medical Word Parts

pulmon / pneumo

Root meaning lung or air

A medical root word that means lung or air. Example: pneumonia means lung infection.

Also known as: Root word; pneumonia

Clinical note: Root words carry the main meaning of many medical terms.

pulmon / pneumo = lung or air.
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Medical Equipment

Pulse oximeter

Oxygen saturation device

Device used to estimate oxygen saturation through a sensor, often on a finger.

Also known as: SpO2 Probe

Clinical note: Probe placement and perfusion can affect readings.

Pulse ox estimates oxygen saturation.
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EKG

PVC

Premature ventricular contraction

An early beat that originates from the ventricles.

Also known as: Ventricular Ectopic Beat

Clinical note: Occasional PVCs may occur, but frequency and symptoms matter.

PVC = premature ventricular beat.
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Abbreviations

QID

Four times daily

Medication or care frequency meaning four times per day.

Also known as: quater in die

Clinical note: Important abbreviation to verify according to policy.

QID = four times daily.
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EKG

QRS complex

Ventricular depolarization

The EKG complex representing ventricular electrical activation.

Also known as: Ventricular Wave

Clinical note: Width and pattern can give important clues.

QRS = ventricles.
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EKG

QT interval

Ventricular electrical cycle

The EKG interval from QRS onset to T-wave end.

Also known as: QT

Clinical note: Prolonged QT can increase rhythm risk.

QT = ventricular cycle.
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Medical Word Parts

quadri-

Prefix meaning four

A medical prefix that means four. Example: quadriplegia means paralysis of four limbs.

Also known as: Prefix; quadriplegia

Clinical note: This word part helps learners decode terms before memorizing full definitions.

quadri- = four.
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Anatomy

Radius

Forearm bone thumb side

One of the two forearm bones, located on the thumb side.

Also known as: Forearm Bone

Clinical note: Important for wrist and forearm anatomy.

Radius rotates.
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Lab Values

RBC

Red blood cell count

A lab value measuring red blood cells.

Also known as: Red Count

Clinical note: Related to oxygen-carrying capacity.

RBC carries oxygen with hemoglobin.
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Assessment

Rebound tenderness

Pain after pressure release

Pain that worsens when pressure is released during abdominal assessment.

Also known as: Rebound Pain

Clinical note: Can be a concerning abdominal finding.

Rebound = pain returns after release.
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ABG

Respiratory acidosis

Low pH from CO2 retention

Acidosis caused primarily by elevated carbon dioxide.

Also known as: High PaCO2 Pattern

Clinical note: ABG pattern often includes low pH and high PaCO2.

Respiratory follows PaCO2.
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ABG

Respiratory alkalosis

High pH from low CO2

Alkalosis caused primarily by decreased carbon dioxide.

Also known as: Low PaCO2 Pattern

Clinical note: ABG pattern often includes high pH and low PaCO2.

Respiratory follows PaCO2.
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Medical Word Parts

retro-

Prefix meaning behind or backward

A medical prefix that means behind or backward. Example: retroperitoneal means behind peritoneum.

Also known as: Prefix; retroperitoneal

Clinical note: This word part helps learners decode terms before memorizing full definitions.

retro- = behind or backward.
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Medical Word Parts

rhin

Root meaning nose

A medical root word that means nose. Example: rhinitis means nose inflammation.

Also known as: Root word; rhinitis

Clinical note: Root words carry the main meaning of many medical terms.

rhin = nose.
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Conditions

Rhinitis

Inflammation of the nose

A medical term meaning inflammation of the nose.

Also known as: rhino + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Rhinoscopy

Visual examination of the nose

A procedure using a scope to visually examine the nose.

Also known as: nose scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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Respiratory

Rhonchi

Coarse lung sound

Low-pitched, coarse breath sound often associated with secretions.

Also known as: Coarse Breath Sounds

Clinical note: May change with coughing depending on cause.

Rhonchi = rattly secretions.
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Abbreviations

RR

Respiratory rate

Number of breaths per minute.

Also known as: Respirations

Clinical note: One of the major vital signs.

RR = respiratory rate.
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ABG

SaO2

Arterial oxygen saturation

The percent of hemoglobin saturated with oxygen in arterial blood.

Also known as: Arterial Saturation

Clinical note: Often reviewed with PaO2 and clinical oxygenation status.

SaO2 = arterial saturation.
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Medical Word Parts

semi-

Prefix meaning half or partial

A medical prefix that means half or partial. Example: semicoma means partial coma.

Also known as: Prefix; semicoma

Clinical note: This word part helps learners decode terms before memorizing full definitions.

semi- = half or partial.
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Conditions

Sepsis

Severe infection response

A life-threatening organ dysfunction related to infection response.

Also known as: Systemic Infection

Clinical note: Requires urgent recognition and treatment.

Sepsis = infection emergency.
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Medical Equipment

Sequential compression device

Leg compression device

Device that inflates sleeves around the legs to help reduce clot risk.

Also known as: SCD

Clinical note: Often used for DVT prevention.

SCD squeezes legs.
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Conditions

Shock

Poor tissue perfusion

A life-threatening state where tissues do not receive enough oxygenated blood.

Also known as: Circulatory Failure

Clinical note: Requires urgent assessment and treatment.

Shock = perfusion failure.
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Procedures

Sigmoidoscopy

Visual examination of the sigmoid colon

A procedure using a scope to visually examine the sigmoid colon.

Also known as: sigmoid colon scope

Clinical note: Scope terms often involve visual examination.

-scopy = visual examination.
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EKG

Sinus bradycardia

Slow sinus rhythm

A sinus rhythm with a slower-than-expected rate.

Also known as: Slow Sinus

Clinical note: Context matters; may be normal in some people or concerning in others.

Brady = slow.
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EKG

Sinus rhythm

Normal rhythm from SA node

A rhythm that starts in the sinus node with expected rate and pattern.

Also known as: Normal Sinus Rhythm

Clinical note: Often used as the baseline rhythm for EKG learning.

Sinus rhythm starts in SA node.
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EKG

Sinus tachycardia

Fast sinus rhythm

A sinus rhythm with a faster-than-expected rate.

Also known as: Fast Sinus

Clinical note: May be caused by fever, pain, anxiety, dehydration, hypoxia, or other stressors.

Tachy = fast.
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Conditions

Sinusitis

Inflammation of the sinus

A medical term meaning inflammation of the sinus.

Also known as: sinus + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Assessment

Skin turgor

Skin recoil

How quickly skin returns to place after being gently pinched.

Also known as: Hydration Clue

Clinical note: May be used as one hydration assessment clue.

Turgor = skin recoil.
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Anatomy

Skull

Bones of the head

The bony structure that protects the brain and forms the head.

Also known as: Cranium

Clinical note: Important in head anatomy and injury assessment.

Skull protects brain.
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Abbreviations

SOB

Shortness of breath

A common abbreviation for difficulty breathing.

Also known as: Dyspnea

Clinical note: Should be assessed carefully with respiratory status.

SOB = short of breath.
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Lab Values

Sodium

Major electrolyte

An electrolyte important for fluid balance, nerves, and muscle function.

Also known as: Na+

Clinical note: High or low sodium can affect neurologic status.

Sodium moves water.
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Lab Values

Specific gravity

Urine concentration measure

A urinalysis value that reflects urine concentration.

Also known as: Urine Specific Gravity

Clinical note: Can help evaluate hydration and kidney concentrating ability.

Specific gravity = urine concentration.
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Medical Word Parts

splen

Root meaning spleen

A medical root word that means spleen. Example: splenomegaly means enlarged spleen.

Also known as: Root word; splenomegaly

Clinical note: Root words carry the main meaning of many medical terms.

splen = spleen.
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Procedures

Splenectomy

Surgical removal of the spleen

A surgical procedure involving removal of the spleen.

Also known as: spleen removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Abbreviations

SpO2

Pulse oxygen saturation

Estimated oxygen saturation measured by pulse oximetry.

Also known as: Pulse Ox

Clinical note: Probe placement, motion, perfusion, and other factors can affect readings.

SpO2 = pulse ox saturation.
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Respiratory

Sputum

Coughed-up mucus

Mucus or material coughed up from the lower airways.

Also known as: Phlegm

Clinical note: Color, amount, and odor may provide clues, but context matters.

Sputum = respiratory mucus.
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Abbreviations

SQ

Subcutaneous

Medication route given under the skin.

Also known as: SubQ; SC

Clinical note: Common for insulin and some injections.

SQ = under skin.
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EKG

ST segment

Segment after QRS

EKG segment between the QRS complex and T wave.

Also known as: ST

Clinical note: Elevation or depression can be clinically important.

ST = ischemia clue.
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Abbreviations

STAT

Immediately

Instruction meaning urgent or immediate.

Also known as: Now

Clinical note: Requires prompt attention depending on order/context.

STAT = right now.
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Medical Word Parts

stomat

Root meaning mouth

A medical root word that means mouth. Example: stomatitis means mouth inflammation.

Also known as: Root word; stomatitis

Clinical note: Root words carry the main meaning of many medical terms.

stomat = mouth.
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Conditions

Stomatitis

Inflammation of the mouth

A medical term meaning inflammation of the mouth.

Also known as: stomat + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Respiratory

Stridor

High-pitched airway sound

A high-pitched sound often associated with upper airway obstruction.

Also known as: Upper Airway Sound

Clinical note: Can be an emergency finding.

Stridor = airway red flag.
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Medical Word Parts

sub-

Prefix meaning under or below

A medical prefix that means under or below. Example: subcutaneous means under the skin.

Also known as: Prefix; subcutaneous

Clinical note: This word part helps learners decode terms before memorizing full definitions.

sub- = under or below.
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Medical Equipment

Suction regulator

Suction control device

Device used to control suction pressure for removing fluids or secretions.

Also known as: Wall Suction

Clinical note: Used with appropriate tubing and collection systems.

Suction removes fluid/secretions.
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Anatomy

Superior

Above

A directional term meaning above or toward the head.

Also known as: Cranial

Clinical note: Used to compare locations in anatomy.

Superior = higher.
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Medical Word Parts

supra-

Prefix meaning above

A medical prefix that means above. Example: suprapubic means above pubic area.

Also known as: Prefix; suprapubic

Clinical note: This word part helps learners decode terms before memorizing full definitions.

supra- = above.
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Assessment

Syncope

Fainting

Temporary loss of consciousness usually from reduced blood flow to the brain.

Also known as: Faint

Clinical note: Requires assessment of cause and safety.

Syncope = fainting.
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Medical Equipment

Syringe pump

Small-volume infusion pump

Pump designed to deliver small amounts of fluid or medication from a syringe.

Also known as: Syringe Infusion Pump

Clinical note: Used where precise low-volume infusion is needed.

Syringe pump = precise small volume.
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EKG

T wave

Ventricular repolarization

The EKG wave that represents ventricular recovery.

Also known as: Repolarization

Clinical note: T-wave changes may be clinically important in context.

T wave = recovery.
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Medical Word Parts

tachy-

Prefix meaning fast

A medical prefix that means fast. Example: tachypnea means fast breathing.

Also known as: Prefix; tachypnea

Clinical note: This word part helps learners decode terms before memorizing full definitions.

tachy- = fast.
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Conditions

Tendinitis

Inflammation of the tendon

A medical term meaning inflammation of the tendon.

Also known as: tendon + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Thoracentesis

Chest fluid removal procedure

A procedure where a needle removes fluid or air from the pleural space.

Also known as: Pleural Tap

Clinical note: -centesis means surgical puncture.

Thoracentesis = chest puncture.
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Medical Word Parts

thromb

Root meaning clot

A medical root word that means clot. Example: thrombosis means clot condition.

Also known as: Root word; thrombosis

Clinical note: Root words carry the main meaning of many medical terms.

thromb = clot.
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Conditions

Thrombosis

Clot formation

Formation of a blood clot within a blood vessel.

Also known as: Blood Clot

Clinical note: Can block circulation depending on location.

Thrombo = clot; -osis = condition.
Procedures

Thyroidectomy

Surgical removal of the thyroid

A surgical procedure involving removal of the thyroid.

Also known as: thyroid removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Anatomy

Tibia

Shin bone

The larger weight-bearing bone of the lower leg.

Also known as: Shin Bone

Clinical note: Important lower leg bone.

Tibia = shin.
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Abbreviations

TID

Three times daily

Medication or care frequency meaning three times per day.

Also known as: ter in die

Clinical note: Important abbreviation to verify according to policy.

TID = three times daily.
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Procedures

Tonsillectomy

Surgical removal of the tonsils

A surgical procedure involving removal of the tonsils.

Also known as: tonsils removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Conditions

Tonsillitis

Inflammation of the tonsils

A medical term meaning inflammation of the tonsils.

Also known as: tonsill + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Medical Word Parts

trache

Root meaning trachea

A medical root word that means trachea. Example: tracheotomy means cutting into trachea.

Also known as: Root word; tracheotomy

Clinical note: Root words carry the main meaning of many medical terms.

trache = trachea.
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Anatomy

Trachea

Windpipe

The airway tube that carries air from the throat to the bronchi.

Also known as: Windpipe

Clinical note: An important airway structure.

Trachea = air tube.
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Conditions

Tracheitis

Inflammation of the trachea

A medical term meaning inflammation of the trachea.

Also known as: trache + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Procedures

Trachelectomy

Surgical removal of the cervix

A surgical procedure involving removal of the cervix.

Also known as: cervix removal

Clinical note: Procedure terms ending in -ectomy involve removal.

-ectomy = surgical removal.
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Procedures

Tracheostomy

Surgical airway opening

A surgically created opening into the trachea.

Also known as: Trach

Clinical note: Used for airway support in specific situations.

-stomy = created opening.
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Medical Word Parts

trans-

Prefix meaning across or through

A medical prefix that means across or through. Example: transdermal means through the skin.

Also known as: Prefix; transdermal

Clinical note: This word part helps learners decode terms before memorizing full definitions.

trans- = across or through.
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Medical Word Parts

tri-

Prefix meaning three

A medical prefix that means three. Example: tricuspid means three cusps.

Also known as: Prefix; tricuspid

Clinical note: This word part helps learners decode terms before memorizing full definitions.

tri- = three.
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Assessment

Triage

Sorting by urgency

Prioritizing patients based on severity and need.

Also known as: Priority Sorting

Clinical note: Used in emergency and clinical decision-making.

Triage = who first?
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Lab Values

Troponin

Cardiac injury marker

A blood marker used to help detect heart muscle injury.

Also known as: Cardiac Troponin

Clinical note: Important in chest pain evaluation.

Troponin = heart injury marker.
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Anatomy

Ulna

Forearm bone pinky side

One of the two forearm bones, located on the pinky side.

Also known as: Forearm Bone

Clinical note: Forms part of the elbow joint.

Ulna = elbow/pinky side.
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Medical Equipment

Ultrasound

Sound-wave imaging

Imaging method using sound waves to visualize structures.

Also known as: Sonography

Clinical note: Used in many specialties including vascular, cardiac, and abdominal imaging.

Ultrasound uses sound.
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Anatomy

Ureter

Tube from kidney to bladder

A tube that carries urine from the kidney to the bladder.

Also known as: Urine Tube

Clinical note: One ureter drains each kidney.

Ureter transports urine.
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Anatomy

Urethra

Tube from bladder outward

A tube that carries urine from the bladder out of the body.

Also known as: Urine Exit Tube

Clinical note: Different from ureter.

Urethra exits.
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Conditions

Urethritis

Inflammation of the urethra

A medical term meaning inflammation of the urethra.

Also known as: urethr + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Anatomy

Valve

One-way opening

A structure that controls one-way flow through the heart or vessels.

Also known as: Heart Valve

Clinical note: Heart valves prevent backflow.

Valves control flow.
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Conditions

Vasculitis

Inflammation of the blood vessels

A medical term meaning inflammation of the blood vessels.

Also known as: vascul + -itis

Clinical note: Inflammation terms often end in -itis.

-itis = inflammation.
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Pharmacology

Vasopressor

Blood pressure-support medication

A medication that constricts blood vessels or supports blood pressure.

Also known as: Pressor

Clinical note: Used in critical care settings for shock or severe hypotension.

Vaso = vessel; pressor = pressure.
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Anatomy

Vein

Blood vessel toward heart

A vessel that carries blood back toward the heart.

Also known as: Venous Vessel

Clinical note: Usually carries deoxygenated blood except pulmonary veins.

Veins visit the heart.
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Medical Word Parts

ven / phleb

Root meaning vein

A medical root word that means vein. Example: phlebitis means vein inflammation.

Also known as: Root word; phlebitis

Clinical note: Root words carry the main meaning of many medical terms.

ven / phleb = vein.
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Medical Equipment

Ventilator

Breathing support machine

Machine that helps move air in and out of the lungs.

Also known as: Mechanical Ventilator

Clinical note: Used for patients needing ventilatory support.

Ventilator supports breathing.
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Anatomy

Ventricle

Lower heart chamber

One of the lower heart chambers that pumps blood out of the heart.

Also known as: Ventricles

Clinical note: Right and left ventricles pump blood to lungs or body.

Ventricle pumps.
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EKG

Ventricular fibrillation

Chaotic ventricular rhythm

A life-threatening rhythm with chaotic ventricular electrical activity.

Also known as: VFib

Clinical note: Requires immediate emergency response according to protocols.

VFib = chaotic ventricles.
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EKG

Ventricular tachycardia

Fast ventricular rhythm

A rapid rhythm originating from the ventricles.

Also known as: VTach

Clinical note: Can be unstable or life-threatening depending on patient condition.

VTach = fast ventricles.
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Assessment

Vomiting

Throwing up

Forceful expulsion of stomach contents.

Also known as: Emesis

Clinical note: Can cause dehydration and electrolyte changes.

Vomiting = emesis.
Lab Values

WBC

White blood cell count

A lab value measuring immune-related white blood cells.

Also known as: White Count

Clinical note: High or low values need clinical context.

WBC = immune cells.
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Respiratory

Wheezes

Musical lung sounds

High-pitched breath sounds often associated with narrowed airways.

Also known as: Wheezing

Clinical note: Commonly heard with asthma or bronchospasm.

Wheeze = narrowed airway sound.
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Abbreviations

WNL

Within normal limits

A phrase meaning findings are within expected range.

Also known as: Normal Limits

Clinical note: Use carefully and according to documentation standards.

WNL = within normal limits.
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Emergency Medicine

Airway

Path for air movement

The passage that allows air to move in and out of the lungs.

Also known as: Breathing passage

Clinical note: Airway is one of the first priorities in emergency assessment.

Airway comes before breathing.
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Emergency Medicine

Acuity

Level of illness severity

A measure of how urgent or serious a patient's condition is.

Also known as: Patient severity

Clinical note: Higher-acuity patients usually need faster evaluation and intervention.

Acuity = how urgent.
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Emergency Medicine

Cardiac arrest

Heart stopped pumping effectively

A life-threatening emergency where the heart is not effectively circulating blood.

Also known as: Code; arrest

Clinical note: Requires immediate emergency response according to protocol.

Cardiac arrest = no effective circulation.
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Emergency Medicine

Code blue

Medical emergency response

A hospital emergency call usually used for cardiac or respiratory arrest.

Also known as: Code

Clinical note: Exact meaning can vary by facility, but it signals an urgent team response.

Code blue = emergency team.
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Emergency Medicine

Defibrillation

Electrical shock therapy

Delivery of an electrical shock to treat certain life-threatening heart rhythms.

Also known as: Shock

Clinical note: Used for rhythms such as ventricular fibrillation or pulseless ventricular tachycardia.

Defib can reset shockable rhythms.
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Emergency Medicine

Glasgow Coma Scale

Neurologic scoring tool

A scale used to describe level of consciousness using eye, verbal, and motor responses.

Also known as: GCS

Clinical note: Lower scores suggest decreased neurologic responsiveness.

GCS = eye, verbal, motor.
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Emergency Medicine

Respiratory arrest

Breathing has stopped

A life-threatening condition where a patient is not breathing effectively or at all.

Also known as: Stopped breathing

Clinical note: Can quickly lead to cardiac arrest without intervention.

Respiratory arrest = no breathing.
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Emergency Medicine

Trauma

Injury from force

Physical injury caused by an external force such as a fall, crash, or impact.

Also known as: Injury

Clinical note: Assessment focuses on airway, breathing, circulation, bleeding, and neurologic status.

Trauma = injury event.
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Emergency Medicine

Rapid response

Urgent clinical team response

A team response called when a patient's condition is worsening before full arrest occurs.

Also known as: RRT

Clinical note: Used to get help quickly for clinical deterioration.

Rapid response = get help early.
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ICU

Septic shock

Sepsis with severe circulatory failure

A severe form of sepsis with dangerously low blood pressure and poor tissue perfusion.

Also known as: Infection shock

Clinical note: A critical emergency requiring rapid recognition and treatment.

Septic shock = infection plus perfusion failure.
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ICU

Sedation

Medication-induced calming

Use of medication to reduce anxiety, agitation, awareness, or discomfort.

Also known as: Sedative effect

Clinical note: Requires monitoring of airway, breathing, mental status, and vital signs.

Sedation can slow breathing.
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ICU

PEEP

Positive end-expiratory pressure

Pressure maintained in the lungs at the end of exhalation during ventilator support.

Also known as: Positive pressure

Clinical note: Helps keep alveoli open and can improve oxygenation.

PEEP keeps air sacs open.
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ICU

Tidal volume

Amount of air per breath

The volume of air delivered or moved with each breath.

Also known as: VT

Clinical note: A key ventilator concept and respiratory measurement.

Tidal volume = breath size.
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ICU

FiO2

Fraction of inspired oxygen

The percentage or fraction of oxygen a patient is receiving.

Also known as: Inspired oxygen

Clinical note: Room air is about 21% oxygen; higher FiO2 provides more oxygen support.

FiO2 = oxygen percent.
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ICU

Central line

Large vein IV access

An IV catheter placed into a large central vein.

Also known as: Central venous catheter; CVC

Clinical note: Used for certain medications, monitoring, or difficult access.

Central line = central vein access.
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ICU

Arterial line

Continuous blood pressure line

A catheter placed in an artery for continuous blood pressure monitoring or blood sampling.

Also known as: A-line

Clinical note: Common in critical care and surgical settings.

A-line = artery line.
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ICU

Extubation

Removal of breathing tube

Removal of an endotracheal tube from the airway.

Also known as: Tube removal

Clinical note: Requires readiness assessment and monitoring after removal.

Extubation = tube exits.
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ICU

Ventilator setting

Machine breathing parameter

A setting used to control how a ventilator supports breathing.

Also known as: Vent setting

Clinical note: Examples include respiratory rate, tidal volume, PEEP, and oxygen concentration.

Vent settings shape breathing support.
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Imaging

CT scan

Cross-sectional imaging test

An imaging test that uses X-rays and computer processing to create detailed body images.

Also known as: Computed tomography

Clinical note: Often used for head, chest, abdomen, trauma, and urgent evaluations.

CT = detailed slices.
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Imaging

MRI

Magnetic imaging test

An imaging test that uses magnets and radio waves to create detailed images.

Also known as: Magnetic resonance imaging

Clinical note: Often useful for soft tissue, brain, spine, and joint evaluation.

MRI uses magnets.
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Imaging

X-ray

Basic radiographic image

An imaging test that uses radiation to create images of bones, chest, or other structures.

Also known as: Radiograph

Clinical note: Commonly used for chest assessment, fractures, and device placement checks.

X-ray sees dense structures well.
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Imaging

Ultrasound transducer

Probe that sends sound waves

The handheld part of an ultrasound system that sends and receives sound waves.

Also known as: Probe

Clinical note: Different transducers are used for different body areas and depths.

Transducer transmits sound.
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Imaging

Doppler ultrasound

Flow-based ultrasound

An ultrasound technique used to evaluate movement such as blood flow.

Also known as: Doppler

Clinical note: Often used in vascular, cardiac, and obstetric imaging.

Doppler detects flow.
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Imaging

Contrast

Imaging enhancement substance

A substance used during some imaging studies to make structures easier to see.

Also known as: Contrast dye

Clinical note: Contrast use depends on exam, kidney function, allergies, and clinical need.

Contrast helps structures stand out.
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Imaging

Fluoroscopy

Real-time X-ray imaging

An imaging method that shows moving X-ray images in real time.

Also known as: Live X-ray

Clinical note: Used during certain procedures and dynamic studies.

Fluoro = live imaging.
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Cardiology

Echocardiogram

Ultrasound of the heart

An ultrasound test used to evaluate heart structure and function.

Also known as: Echo

Clinical note: Can assess valves, chambers, motion, and pumping function.

Echo = heart ultrasound.
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OB/GYN

Antepartum

Before birth

The period during pregnancy before labor and delivery.

Also known as: Prenatal period

Clinical note: Antepartum care focuses on maternal and fetal health before delivery.

Ante = before; partum = birth.
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OB/GYN

Postpartum

After birth

The period after delivery.

Also known as: After delivery

Clinical note: Postpartum assessment includes bleeding, pain, mood, vitals, and recovery.

Post = after; partum = birth.
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OB/GYN

Gravida

Number of pregnancies

A term used to describe how many times someone has been pregnant.

Also known as: G

Clinical note: Used in obstetric history documentation.

Gravida = pregnancies.
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OB/GYN

Para

Number of births

A term used to describe births beyond a defined gestational age.

Also known as: P

Clinical note: Used with gravida to summarize obstetric history.

Para = births.
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OB/GYN

Fetal heart rate

Baby's heart rate

The heart rate of the fetus during pregnancy or labor monitoring.

Also known as: FHR

Clinical note: Monitoring helps assess fetal status in appropriate settings.

FHR = fetal heart rate.
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OB/GYN

Cesarean section

Surgical birth

A surgical procedure to deliver a baby through incisions in the abdomen and uterus.

Also known as: C-section

Clinical note: A major surgical birth procedure.

C-section = surgical delivery.
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Pediatrics

Apgar score

Newborn assessment score

A quick newborn scoring system assessing appearance, pulse, grimace, activity, and respiration.

Also known as: APGAR

Clinical note: Used shortly after birth to describe newborn transition.

APGAR = five newborn checks.
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Pediatrics

Fontanelle

Soft spot on infant skull

A soft area between skull bones in an infant.

Also known as: Soft spot

Clinical note: Assessment may include whether it is flat, sunken, or bulging.

Fontanelle = infant soft spot.
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Pediatrics

Pediatric dose

Child-specific medication dose

A medication dose calculated or selected for a child based on age, weight, or condition.

Also known as: Child dose

Clinical note: Pediatric medication dosing requires careful verification.

Pediatric dosing is weight-sensitive.
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Pediatrics

Failure to thrive

Poor growth pattern

A term used when an infant or child is not gaining weight or growing as expected.

Also known as: FTT

Clinical note: Requires clinical evaluation of nutrition, health, and development.

FTT = growth concern.
Surgery

Aseptic technique

Method to reduce contamination

Practices used to reduce the risk of introducing microorganisms.

Also known as: Clean technique principles

Clinical note: Important for procedures, dressings, and infection prevention.

Aseptic = reduce germs.
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Surgery

Sterile field

Area kept free of microorganisms

A prepared area maintained as sterile during procedures.

Also known as: Sterile area

Clinical note: Contamination breaks the sterile field and requires correction.

Sterile field = no contamination zone.
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Surgery

Incision

Surgical cut

A cut made into tissue during a procedure.

Also known as: Surgical opening

Clinical note: Incisions are monitored for healing, drainage, redness, and infection signs.

Incision = cut in.
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Surgery

Sutures

Stitches

Material used to close tissue after injury or surgery.

Also known as: Stitches

Clinical note: May be absorbable or require removal depending type.

Sutures sew tissue.
Wound Care

Dehiscence

Wound edges separate

A complication where a wound or incision opens after closure.

Also known as: Wound separation

Clinical note: Requires prompt clinical attention.

Dehiscence = incision opens.
Wound Care

Evisceration

Organs protrude through wound

A severe complication where internal organs protrude through an open wound.

Also known as: Organ protrusion

Clinical note: This is an emergency finding.

Evisceration = viscera visible.
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Wound Care

Granulation tissue

Healing tissue

New connective tissue and tiny blood vessels that form during wound healing.

Also known as: Healthy wound tissue

Clinical note: Often appears beefy red or pink in healing wounds.

Granulation = growth/healing tissue.
Wound Care

Eschar

Dead tissue scab

Thick dead tissue that may appear black or brown on a wound.

Also known as: Necrotic tissue

Clinical note: Wound care decisions depend on wound type and clinical context.

Eschar = dead cover.
Wound Care

Slough

Soft dead tissue

Yellow, tan, gray, or stringy dead tissue in a wound.

Also known as: Nonviable tissue

Clinical note: Can interfere with wound healing depending wound status.

Slough = soft dead tissue.
Wound Care

Pressure injury

Skin/tissue injury from pressure

Localized damage to skin or underlying tissue caused by pressure or pressure with shear.

Also known as: Pressure ulcer; bedsore

Clinical note: Common risk areas include sacrum, heels, hips, and elbows.

Pressure injury = pressure damage.
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Conditions

Acute kidney injury

Sudden kidney function decline

A rapid decrease in kidney function over hours to days.

Also known as: AKI

Clinical note: Often evaluated using creatinine, urine output, medications, and fluid status.

AKI = acute kidney issue.
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Conditions

Chronic kidney disease

Long-term kidney disease

A long-term reduction in kidney function.

Also known as: CKD

Clinical note: Often staged using GFR and monitored with kidney-related labs.

CKD = chronic kidney decline.
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Conditions

Diabetic ketoacidosis

Dangerous diabetic emergency

A serious condition involving high blood sugar, ketones, dehydration, and acidosis.

Also known as: DKA

Clinical note: Requires urgent treatment and close monitoring.

DKA = diabetes + ketones + acidosis.
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Conditions

Pulmonary embolism

Clot in lung circulation

A blockage in the pulmonary arteries, often from a blood clot.

Also known as: PE

Clinical note: Can cause shortness of breath, chest pain, low oxygen, or sudden collapse.

PE = clot in pulmonary circulation.
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Conditions

Deep vein thrombosis

Clot in deep vein

A blood clot that forms in a deep vein, often in the leg.

Also known as: DVT

Clinical note: Can lead to pulmonary embolism if part of the clot travels.

DVT = deep vein clot.
Conditions

Transient ischemic attack

Temporary stroke-like episode

A temporary neurologic event caused by reduced blood flow without lasting infarction.

Also known as: TIA; mini-stroke

Clinical note: Symptoms may resolve, but it is still a warning sign.

TIA = temporary stroke warning.
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Conditions

Anaphylaxis

Severe allergic reaction

A rapid, severe allergic reaction that can affect airway, breathing, circulation, and skin.

Also known as: Severe allergy

Clinical note: Can be life-threatening and needs urgent treatment.

Anaphylaxis = allergic emergency.
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Neurology

Delirium

Acute confusion

A sudden change in attention, awareness, or cognition.

Also known as: Acute mental status change

Clinical note: Often has an underlying medical cause and can fluctuate.

Delirium = sudden confusion.
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Neurology

Dementia

Progressive cognitive decline

A chronic decline in memory, thinking, or function.

Also known as: Cognitive disorder

Clinical note: Different from delirium, which is acute and often reversible.

Dementia develops over time.
Neurology

Seizure

Abnormal brain electrical activity

A sudden episode caused by abnormal electrical activity in the brain.

Also known as: Convulsion; seizure event

Clinical note: Assessment includes safety, duration, airway, and postictal status.

Seizure = brain electrical storm.
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Neurology

Postictal

After a seizure

The period after a seizure when a patient may be confused, sleepy, or recovering.

Also known as: Post-seizure period

Clinical note: Monitoring and safety are important after seizure activity.

Postictal = after seizure.
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Psychiatry

Anxiety

Fear or worry response

A feeling of worry, fear, or nervousness that may cause physical symptoms.

Also known as: Anxious state

Clinical note: Can overlap with chest pain, shortness of breath, or palpitations, so assessment matters.

Anxiety can feel physical.
Psychiatry

Depression

Persistent low mood disorder

A mood disorder involving persistent sadness, loss of interest, or other symptoms.

Also known as: Major depression

Clinical note: Requires compassionate assessment and appropriate referral or treatment.

Depression is more than sadness.
Pharmacology

Antiemetic

Nausea medication

A medication used to prevent or treat nausea and vomiting.

Also known as: Nausea medicine

Clinical note: Commonly used after surgery, with illness, or with certain medications.

Anti-emetic = against vomiting.
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Pharmacology

Antihypertensive

Blood pressure medication

A medication used to lower or control high blood pressure.

Also known as: BP medication

Clinical note: Assessment may include blood pressure, pulse, labs, and symptoms depending medication.

Anti-hypertensive = against high pressure.
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Pharmacology

Antiplatelet

Medication reducing platelet clotting

A medication that reduces platelet aggregation and clot formation.

Also known as: Platelet inhibitor

Clinical note: Can increase bleeding risk depending medication and patient factors.

Antiplatelet = against platelet clumping.
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Pharmacology

Corticosteroid

Anti-inflammatory steroid medication

A medication class that reduces inflammation and immune activity.

Also known as: Steroid

Clinical note: Can affect glucose, infection risk, mood, and other body systems.

Steroids reduce inflammation.
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Pharmacology

NSAID

Nonsteroidal anti-inflammatory drug

A medication class used for pain, fever, and inflammation.

Also known as: Ibuprofen class

Clinical note: Can affect bleeding, kidneys, stomach irritation, and blood pressure in some patients.

NSAID = pain/inflammation class.
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Pharmacology

PPI

Acid-reducing medication

A proton pump inhibitor reduces stomach acid production.

Also known as: Proton pump inhibitor

Clinical note: Used for reflux, ulcers, and gastric protection in some settings.

PPI pumps down acid.
Pharmacology

Statin

Cholesterol-lowering medication

A medication class used to lower cholesterol and reduce cardiovascular risk.

Also known as: HMG-CoA reductase inhibitor

Clinical note: Often monitored with patient history, symptoms, and labs as ordered.

Statins lower cholesterol.
Lab Values

D-dimer

Clot breakdown marker

A blood test that can rise when clots are being formed and broken down.

Also known as: Fibrin degradation marker

Clinical note: Used with clinical assessment, not alone, to evaluate clot-related concerns.

D-dimer = clot breakdown clue.
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Lab Values

Procalcitonin

Infection/sepsis marker

A lab marker that may rise with certain bacterial infections.

Also known as: PCT

Clinical note: Interpreted with symptoms, cultures, imaging, and clinical context.

Procalcitonin can point toward bacterial infection.
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Lab Values

CRP

Inflammation marker

C-reactive protein is a blood marker that rises with inflammation.

Also known as: C-reactive protein

Clinical note: It is nonspecific and must be interpreted with clinical context.

CRP = inflammation clue.
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Lab Values

ESR

Inflammation marker

Erythrocyte sedimentation rate is a lab test that can reflect inflammation.

Also known as: Sed rate

Clinical note: It is nonspecific and often used with other findings.

ESR = inflammation trend clue.
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Lab Values

Blood culture

Test for bloodstream infection

A lab test used to check whether microorganisms are present in the blood.

Also known as: Culture

Clinical note: Often obtained when bacteremia or sepsis is suspected.

Blood culture looks for organisms.
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Lab Values

Urinalysis

Urine test

A test that evaluates urine for findings such as cells, protein, glucose, ketones, and infection clues.

Also known as: UA

Clinical note: Often used with urinary symptoms, kidney evaluation, or dehydration assessment.

UA = urine assessment.
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Lab Values

Anion gap

Calculated acid-base clue

A calculated value used to help evaluate certain metabolic acidosis patterns.

Also known as: AG

Clinical note: Often reviewed with electrolytes, bicarbonate, and clinical status.

Anion gap helps classify acidosis.
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Lab Values

Reticulocyte

Young red blood cell

An immature red blood cell measured to evaluate bone marrow response.

Also known as: Retic

Clinical note: Useful in anemia evaluation.

Reticulocytes are baby RBCs.
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Lab Values

Ferritin

Iron storage marker

A lab value that reflects stored iron and can also rise with inflammation.

Also known as: Iron storage

Clinical note: Used with iron studies and anemia evaluation.

Ferritin stores iron.
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Medical Equipment

Telemetry monitor

Remote heart rhythm monitor

A monitoring system used to observe cardiac rhythm away from the bedside.

Also known as: Tele box

Clinical note: Commonly used for patients needing rhythm surveillance.

Telemetry = rhythm sent remotely.
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Medical Equipment

Holter monitor

Portable heart rhythm recorder

A wearable device that records heart rhythm over a period of time.

Also known as: Ambulatory ECG monitor

Clinical note: Used to detect intermittent rhythm problems.

Holter records rhythm over time.
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Medical Equipment

Capnography

Carbon dioxide monitoring

Monitoring of exhaled carbon dioxide.

Also known as: EtCO2 monitoring

Clinical note: Useful for ventilation assessment and airway confirmation in appropriate settings.

Capno = CO2 monitoring.
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Medical Equipment

EtCO2

End-tidal carbon dioxide

The amount of carbon dioxide measured at the end of exhalation.

Also known as: End tidal CO2

Clinical note: Provides information about ventilation and circulation in context.

EtCO2 = exhaled CO2 clue.
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Medical Equipment

Centrifuge

Spinning lab device

A device that spins samples to separate components by density.

Also known as: Lab centrifuge

Clinical note: Common in laboratory processing.

Centrifuge separates by spinning.
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Medical Equipment

Glucometer

Blood glucose meter

A device used to measure blood glucose from a small blood sample.

Also known as: Blood sugar meter

Clinical note: Used for bedside glucose checks.

Glucometer measures glucose.
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Medical Equipment

Bladder scanner

Urine volume ultrasound device

A device used to estimate urine volume in the bladder.

Also known as: Portable bladder ultrasound

Clinical note: Helps assess urinary retention without catheterization in some cases.

Bladder scanner estimates volume.
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Medical Equipment

Nebulizer

Medication mist device

A device that turns liquid medication into a mist for inhalation.

Also known as: Breathing treatment device

Clinical note: Common for bronchodilator treatments.

Nebulizer makes mist.
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Medical Equipment

CPAP

Continuous positive airway pressure

A device or mode that provides continuous airway pressure to help keep airways open.

Also known as: Positive airway pressure

Clinical note: Often used for sleep apnea or respiratory support in certain settings.

CPAP keeps pressure continuous.
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Medical Equipment

BiPAP

Two-level positive airway pressure

A noninvasive support device that provides different pressures for inhalation and exhalation.

Also known as: Bilevel PAP

Clinical note: Can support ventilation in appropriate patients.

BiPAP has two pressures.
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Abbreviations

ADL

Activities of daily living

Basic self-care tasks such as bathing, dressing, eating, toileting, and mobility.

Also known as: Activities of daily living

Clinical note: Used in functional assessment and discharge planning.

ADLs = daily self-care.
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Abbreviations

I&O

Intake and output

Measurement of fluid intake and fluid output.

Also known as: I/O

Clinical note: Important for fluid balance, kidney function, and clinical monitoring.

I&O tracks fluid in and out.
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Abbreviations

N/V

Nausea and vomiting

A common abbreviation used to document nausea and vomiting.

Also known as: Nausea/vomiting

Clinical note: Can affect hydration, electrolytes, and medication tolerance.

N/V = nausea/vomiting.
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Abbreviations

DNR

Do not resuscitate

An order indicating that CPR should not be performed if cardiac or respiratory arrest occurs.

Also known as: Code status

Clinical note: Must be verified according to legal, ethical, and facility standards.

DNR = resuscitation status.
Abbreviations

Full code

Full resuscitation status

A code status indicating that full resuscitative efforts should be provided if needed.

Also known as: Code status

Clinical note: Code status must be clearly documented and verified.

Full code = full response.
Abbreviations

H&P

History and physical

A clinical document or assessment that includes patient history and physical exam findings.

Also known as: History and physical exam

Clinical note: Often used at admission or before procedures.

H&P = history plus physical.
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Abbreviations

S/P

Status post

An abbreviation meaning after a condition, event, or procedure.

Also known as: Status post

Clinical note: Example: S/P appendectomy means after appendix removal.

S/P = after.
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Abbreviations

PERRLA

Pupil assessment abbreviation

Pupils equal, round, reactive to light and accommodation.

Also known as: Pupil check

Clinical note: Used in neurologic and eye assessment.

PERRLA = pupil response check.
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Abbreviations

ROM

Range of motion

The amount of movement possible at a joint.

Also known as: Joint movement

Clinical note: Used in musculoskeletal and functional assessment.

ROM = movement range.
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Assessment

Auscultation

Listening with a stethoscope

An assessment technique using a stethoscope to listen to body sounds.

Also known as: Listen

Clinical note: Used for heart, lung, bowel, and vascular sounds.

Auscultation = audio assessment.
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Assessment

Palpation

Assessment by touch

Using the hands to feel body structures, temperature, tenderness, pulses, or movement.

Also known as: Touch assessment

Clinical note: Helps assess pain, swelling, pulses, and anatomy.

Palpation = feel.
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Assessment

Percussion

Tapping assessment method

An assessment technique that uses tapping to evaluate underlying structures.

Also known as: Tap assessment

Clinical note: Can help assess air, fluid, or density in certain exams.

Percussion = tap and listen/feel.
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Assessment

Inspection

Assessment by looking

The assessment technique of visually observing the patient or body area.

Also known as: Look

Clinical note: Often the first step in a physical assessment.

Inspection = look first.
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Assessment

Crepitus

Crackling sensation or sound

A crackling feeling or sound that can occur under the skin, in joints, or with certain injuries.

Also known as: Crackling

Clinical note: Requires context because causes vary.

Crepitus = crackle.
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Assessment

Bounding pulse

Very strong pulse

A pulse that feels unusually forceful.

Also known as: Strong pulse

Clinical note: Can occur with fever, fluid overload, anxiety, or other conditions.

Bounding = big strong pulse.
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Assessment

Weak pulse

Difficult-to-feel pulse

A pulse that is faint or hard to palpate.

Also known as: Thready pulse

Clinical note: May suggest poor perfusion or low blood pressure in context.

Weak pulse = perfusion clue.
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Assessment

Bowel sounds

Digestive tract sounds

Sounds heard over the abdomen during auscultation.

Also known as: GI sounds

Clinical note: Can be active, hypoactive, hyperactive, or absent depending context.

Bowel sounds = gut movement clue.
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Neurology

Ataxia

Poor coordination

Impaired balance or coordination during movement.

Also known as: Uncoordinated movement

Clinical note: Can be a neurologic assessment finding.

Ataxia = lack of coordination.
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Cardiology

Murmur

Abnormal heart sound

A whooshing or blowing heart sound caused by turbulent blood flow.

Also known as: Heart murmur

Clinical note: May be innocent or related to valve or structural issues depending context.

Murmur = turbulent sound.
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Cardiology

S1

First heart sound

The first heart sound, usually associated with closure of the mitral and tricuspid valves.

Also known as: Lub

Clinical note: Part of basic heart sound assessment.

S1 = first sound.
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Cardiology

S2

Second heart sound

The second heart sound, usually associated with closure of the aortic and pulmonic valves.

Also known as: Dub

Clinical note: Part of basic heart sound assessment.

S2 = second sound.
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Cardiology

S3

Extra heart sound

An additional heart sound that may be associated with fluid overload or heart failure in some adults.

Also known as: Ventricular gallop

Clinical note: Interpretation depends on age and clinical context.

S3 can sound like extra fluid.
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Cardiology

S4

Extra heart sound before S1

An additional heart sound sometimes associated with a stiff ventricle.

Also known as: Atrial gallop

Clinical note: Interpretation depends on patient context.

S4 comes before S1.
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Respiratory

Hemoptysis

Coughing blood

Coughing up blood or blood-streaked sputum from the respiratory tract.

Also known as: Bloody sputum

Clinical note: Can be a serious symptom depending amount and cause.

Hemo = blood; ptysis = spit.
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Respiratory

Pleural effusion

Fluid around lung

Fluid buildup in the pleural space around the lung.

Also known as: Pleural fluid

Clinical note: May affect breathing and oxygenation depending size and cause.

Effusion = fluid collection.
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Respiratory

Pneumothorax

Air in pleural space

Air trapped between the lung and chest wall that can cause lung collapse.

Also known as: Collapsed lung

Clinical note: Can become an emergency if tension physiology develops.

Pneumo = air; thorax = chest.
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Medical Equipment

Incentive spirometer

Breathing exercise device

A device that encourages deep breathing after surgery or illness.

Also known as: IS

Clinical note: Helps promote lung expansion and reduce atelectasis risk.

Incentive spirometer inspires deep breaths.
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Respiratory

High-flow nasal cannula

High-flow oxygen support

An oxygen delivery system that provides heated, humidified oxygen at high flow rates.

Also known as: HFNC

Clinical note: Used for patients needing more oxygen support than standard nasal cannula.

HFNC = higher-flow oxygen.
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Oncology

Adenocarcinoma

Cancer from glandular tissue

A type of cancer that begins in gland-forming cells.

Also known as: Glandular cancer

Clinical note: Can occur in organs such as lung, colon, pancreas, breast, or prostate depending tissue type.

Adeno = gland; carcinoma = cancer.
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Oncology

Benign

Not cancerous

A growth or condition that is not malignant.

Also known as: Noncancerous

Clinical note: Benign does not always mean harmless; location and size still matter.

Benign = not malignant.
Oncology

Biomarker

Measurable disease clue

A measurable substance or finding that can give information about disease or treatment response.

Also known as: Marker

Clinical note: In oncology, biomarkers may guide diagnosis, prognosis, or treatment decisions.

Biomarker = biological clue.
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Oncology

Carcinoma

Cancer from epithelial tissue

A cancer that starts in epithelial cells lining organs, skin, or glands.

Also known as: Epithelial cancer

Clinical note: Many common cancers are carcinomas.

Carcinoma = lining/gland cancer.
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Oncology

Malignant

Cancerous or dangerous growth

A term describing cancerous growth that can invade or spread.

Also known as: Cancerous

Clinical note: Malignant tumors can invade nearby tissue and metastasize.

Malignant = harmful cancer behavior.
Oncology

Metastasis

Cancer spread

Spread of cancer from its original site to another part of the body.

Also known as: Mets

Clinical note: Metastasis changes staging and treatment planning.

Meta = beyond; stasis = place.
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Oncology

Neoplasm

New abnormal growth

An abnormal growth of tissue that may be benign or malignant.

Also known as: Tumor; growth

Clinical note: Not all neoplasms are cancerous.

Neo = new; plasm = growth.
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Oncology

Oncology

Cancer specialty

The medical specialty focused on cancer diagnosis, treatment, and monitoring.

Also known as: Cancer care

Clinical note: Includes medical, surgical, and radiation oncology.

Onco = tumor; -logy = study.
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Oncology

Radiation therapy

Cancer treatment using radiation

Treatment that uses targeted radiation to damage cancer cells.

Also known as: Radiotherapy

Clinical note: Often used alone or with surgery, chemotherapy, or other treatments.

Radiation therapy targets cancer cells.
Oncology

Tumor

Abnormal mass

An abnormal lump or growth of tissue.

Also known as: Mass; growth

Clinical note: Tumors may be benign or malignant.

Tumor = mass, not always cancer.
Psychiatry

Addiction

Compulsive substance or behavior pattern

A chronic condition involving compulsive use or behavior despite harm.

Also known as: Substance use disorder context

Clinical note: Requires nonjudgmental assessment and appropriate support.

Addiction is a health condition.
Psychiatry

Affect

Visible emotional expression

The outward display of emotion observed during assessment.

Also known as: Emotional expression

Clinical note: Affect may be flat, blunted, labile, appropriate, or inappropriate.

Affect = what you see.
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Psychiatry

Agitation

Restless or heightened motor activity

A state of increased restlessness, irritability, or motor activity.

Also known as: Restlessness

Clinical note: Can be related to pain, anxiety, delirium, hypoxia, medications, or psychiatric illness.

Agitation means activated distress.
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Psychiatry

Bipolar disorder

Mood disorder with mania/depression

A mood disorder involving episodes of mania or hypomania and often depression.

Also known as: Bipolar

Clinical note: Assessment includes mood, sleep, safety, medications, and function.

Bi = two mood poles.
Psychiatry

Flat affect

Reduced emotional expression

A noticeably limited or absent outward emotional expression.

Also known as: Blunted expression

Clinical note: Can be seen in psychiatric, neurologic, or medication-related contexts.

Flat affect = little visible emotion.
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Psychiatry

Hallucination

Perception without external stimulus

Seeing, hearing, feeling, tasting, or smelling something that is not actually present.

Also known as: False perception

Clinical note: Requires calm assessment and safety awareness.

Hallucination = sensing what is not there.
Psychiatry

Mania

Elevated or irritable high-energy state

A mood state with elevated energy, reduced sleep, racing thoughts, impulsivity, or grandiosity.

Also known as: Manic episode

Clinical note: Can impair judgment and safety.

Mania = mood and energy too high.
Psychiatry

Mood

Sustained emotional state

A patient's overall emotional state over time.

Also known as: Emotional state

Clinical note: Mood is what the patient feels; affect is what you observe.

Mood = internal feeling.
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Psychiatry

Suicidal ideation

Thoughts of self-harm or suicide

Thinking about, planning, or wanting to end one's life.

Also known as: SI

Clinical note: Always requires serious assessment and immediate support according to setting and risk.

SI = safety priority.
Psychiatry

Therapeutic communication

Purposeful supportive communication

Communication techniques used to support patients, gather information, and build trust.

Also known as: Clinical communication

Clinical note: Includes active listening, empathy, open-ended questions, and avoiding judgment.

Therapeutic communication helps healing.
Nursing

Bariatric

Related to obesity care

A term related to care of patients with obesity or larger body size.

Also known as: Bariatric care

Clinical note: May involve equipment, mobility, skin care, and safety planning.

Bariatric = obesity-related care.
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Nursing

Bedside report

Shift handoff at bedside

A nursing handoff performed at the patient's bedside.

Also known as: Bedside handoff

Clinical note: Supports communication, safety checks, and patient involvement.

Bedside report = handoff with patient present.
Nursing

Care plan

Patient care roadmap

A documented plan that identifies patient needs, goals, interventions, and evaluation.

Also known as: Plan of care

Clinical note: Guides nursing care and interdisciplinary communication.

Care plan = care roadmap.
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Nursing

Charting

Clinical documentation

Recording patient care, assessments, interventions, and responses in the medical record.

Also known as: Documentation

Clinical note: Accurate charting supports communication, safety, and legal documentation.

Charting = document what happened.
Nursing

Delegation

Assigning tasks appropriately

Transferring responsibility for a task to another qualified team member while retaining accountability as appropriate.

Also known as: Task assignment

Clinical note: Requires knowing scope of practice, patient stability, and task complexity.

Delegation = right task, right person.
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Nursing

Fall risk

Risk of falling

A patient's likelihood of falling based on factors such as weakness, medications, confusion, or mobility problems.

Also known as: Fall precautions

Clinical note: Fall-risk patients may need alarms, assistance, clear pathways, and safety interventions.

Fall risk = safety risk.
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Nursing

Handoff

Transfer of patient information

Communication that transfers responsibility and key patient information between caregivers.

Also known as: Report

Clinical note: Good handoff reduces missed information and safety events.

Handoff = pass the care story.
Nursing

Hourly rounding

Regular patient checks

A workflow where staff check on patients at scheduled intervals.

Also known as: Purposeful rounding

Clinical note: Often includes pain, position, potty, possessions, and safety checks.

Hourly rounding prevents missed needs.
Nursing

SBAR

Structured communication tool

A format for communication: Situation, Background, Assessment, Recommendation.

Also known as: Situation Background Assessment Recommendation

Clinical note: Used to organize urgent or routine clinical communication.

SBAR = structured message.
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Nursing

Scope of practice

Legal/professional role limits

The activities a healthcare worker is trained, licensed, and permitted to perform.

Also known as: Practice scope

Clinical note: Important for delegation, safety, and accountability.

Scope = what you are allowed to do.
Cardiology

Afterload

Pressure the heart pumps against

The resistance the ventricle must overcome to eject blood.

Also known as: Vascular resistance concept

Clinical note: High afterload can make the heart work harder.

Afterload = pressure after pump.
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Cardiology

Cardiac output

Blood pumped per minute

The amount of blood the heart pumps in one minute.

Also known as: CO

Clinical note: Cardiac output depends on heart rate and stroke volume.

Cardiac output = pump output.
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Cardiology

Ejection fraction

Percent of blood pumped out

The percentage of blood the left ventricle pumps out with each contraction.

Also known as: EF

Clinical note: Used to evaluate heart pumping function.

EF = ejected fraction.
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EKG

Heart block

Delayed electrical conduction

A condition where electrical signals through the heart are slowed or blocked.

Also known as: AV block

Clinical note: Can be seen on EKG and may affect heart rate and rhythm.

Heart block = signal delay/block.
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EKG

Premature beat

Early heartbeat

A heartbeat that occurs earlier than expected in the rhythm.

Also known as: Ectopic beat

Clinical note: May originate in atria, junction, or ventricles.

Premature = early.
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Cardiology

Preload

Blood filling before contraction

The amount of stretch or filling in the ventricle before contraction.

Also known as: Ventricular filling

Clinical note: Preload is influenced by venous return and fluid status.

Preload = pre-pump filling.
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Cardiology

Stroke volume

Blood pumped per beat

The amount of blood ejected by the ventricle with each heartbeat.

Also known as: SV

Clinical note: Stroke volume contributes to cardiac output.

Stroke volume = one-beat output.
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EKG

Supraventricular tachycardia

Fast rhythm above ventricles

A rapid heart rhythm that originates above the ventricles.

Also known as: SVT

Clinical note: Can cause palpitations, dizziness, chest discomfort, or shortness of breath.

SVT = fast rhythm above ventricles.
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Cardiology

Vagal response

Body response lowering heart rate

A response involving the vagus nerve that can slow heart rate and lower blood pressure.

Also known as: Vasovagal response

Clinical note: Can occur with pain, stress, straining, or procedures.

Vagal can make vitals drop.
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EKG

Wide QRS

Broad ventricular complex

An EKG finding where the QRS complex is wider than expected.

Also known as: Prolonged QRS

Clinical note: Can suggest ventricular origin or conduction delay depending rhythm.

Wide QRS = slow ventricular conduction clue.
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Respiratory

Aspiration

Material entering airway

Entry of food, fluid, vomit, or secretions into the airway or lungs.

Also known as: Airway aspiration

Clinical note: Can lead to coughing, choking, pneumonia, or respiratory distress.

Aspiration = wrong pipe problem.
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Respiratory

Bronchospasm

Airway muscle tightening

Contraction of airway smooth muscle that narrows the airways.

Also known as: Airway spasm

Clinical note: Can cause wheezing, shortness of breath, or chest tightness.

Bronchospasm = airway squeeze.
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Respiratory

Hypoventilation

Too little ventilation

Breathing that does not adequately remove carbon dioxide.

Also known as: Under-ventilation

Clinical note: Can cause CO2 retention and respiratory acidosis.

Hypoventilation holds CO2.
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Respiratory

Hyperventilation

Excess ventilation

Breathing that removes carbon dioxide faster than normal.

Also known as: Over-breathing

Clinical note: Can lower CO2 and contribute to respiratory alkalosis.

Hyperventilation blows off CO2.
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Respiratory

Oxygenation

Oxygen loading into blood

The process of getting oxygen into the blood.

Also known as: O2 status

Clinical note: Oxygenation is different from ventilation, which is CO2 movement.

Oxygenation = oxygen in.
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Respiratory

Ventilation

Movement of air/CO2 exchange

The process of moving air in and out of lungs, especially removing carbon dioxide.

Also known as: Breathing mechanics

Clinical note: Ventilation problems often show up as CO2 problems on ABG.

Ventilation = CO2 out.
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Respiratory

Respiratory distress

Increased work of breathing

A condition where breathing becomes difficult or requires extra effort.

Also known as: Breathing difficulty

Clinical note: Signs may include retractions, accessory muscle use, tachypnea, or low oxygen.

Distress = breathing is hard.
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Respiratory

Retractions

Visible pulling with breathing

Inward pulling of muscles between ribs or around the chest during breathing.

Also known as: Chest wall retractions

Clinical note: A sign of increased work of breathing, especially important in children.

Retractions = working hard to breathe.
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Respiratory

Accessory muscle use

Extra muscles used to breathe

Use of neck, shoulder, or chest muscles to help breathing.

Also known as: Increased work of breathing

Clinical note: Can indicate respiratory distress.

Accessory muscles = backup breathing muscles.
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Respiratory

Tripod position

Position to ease breathing

Sitting forward with hands or arms braced to help breathing.

Also known as: Tripoding

Clinical note: Often seen when a patient is working hard to breathe.

Tripod = bracing to breathe.
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Gastroenterology

Hematemesis

Vomiting blood

Vomiting blood or material that may look like coffee grounds.

Also known as: Bloody vomit

Clinical note: Can indicate gastrointestinal bleeding and requires prompt assessment.

Hemat = blood; emesis = vomit.
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Gastroenterology

Melena

Black tarry stool

Dark, tar-like stool often associated with digested blood from GI bleeding.

Also known as: Black stool

Clinical note: Can be a sign of upper GI bleeding in context.

Melena = black digested blood stool.
Gastroenterology

Hematochezia

Bright red blood in stool

Passage of bright red blood from the rectum.

Also known as: Bloody stool

Clinical note: May be related to lower GI bleeding or brisk upper bleeding depending context.

Hematochezia = red stool blood.
Gastroenterology

Dysphagia

Difficulty swallowing

Trouble swallowing food, liquids, or saliva.

Also known as: Swallowing difficulty

Clinical note: Can increase aspiration risk and affect nutrition.

Dys = difficult; phagia = swallowing.
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Gastroenterology

GERD

Acid reflux disease

A condition where stomach contents reflux into the esophagus causing symptoms or irritation.

Also known as: Gastroesophageal reflux disease

Clinical note: May cause heartburn, regurgitation, cough, or throat symptoms.

GERD = reflux disease.
Gastroenterology

Ileus

Temporary bowel movement shutdown

Reduced or absent intestinal movement without a mechanical blockage.

Also known as: Paralytic ileus

Clinical note: Can occur after surgery, illness, medications, or electrolyte problems.

Ileus = gut not moving.
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Gastroenterology

Ascites

Fluid in abdomen

Abnormal fluid accumulation in the abdominal cavity.

Also known as: Abdominal fluid

Clinical note: Often associated with liver disease, cancer, or other conditions.

Ascites = abdominal fluid.
Gastroenterology

Hepatomegaly

Enlarged liver

Abnormal enlargement of the liver.

Also known as: Large liver

Clinical note: Can be caused by liver disease, congestion, infection, or malignancy.

Hepato = liver; megaly = enlarged.
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Gastroenterology

Splenomegaly

Enlarged spleen

Abnormal enlargement of the spleen.

Also known as: Large spleen

Clinical note: May occur with infection, blood disorders, liver disease, or malignancy.

Spleno = spleen; megaly = enlarged.
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Gastroenterology

J-tube

Feeding tube into jejunum

A tube placed into the jejunum for enteral feeding.

Also known as: Jejunostomy tube

Clinical note: Used when feeding into the stomach is not appropriate or possible.

J-tube feeds jejunum.
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Renal

Oliguria

Low urine output

Producing less urine than expected.

Also known as: Low UOP

Clinical note: Can suggest dehydration, kidney injury, obstruction, or poor perfusion.

Oligo = little; uria = urine.
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Renal

Anuria

No urine output

Absence or near absence of urine production.

Also known as: No UOP

Clinical note: A serious finding that requires prompt clinical attention.

An = without; uria = urine.
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Renal

Polyuria

Excessive urine output

Producing unusually large amounts of urine.

Also known as: High UOP

Clinical note: Can occur with diabetes, diuretics, kidney issues, or fluid shifts.

Poly = many; uria = urine.
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Renal

Hematuria

Blood in urine

Presence of blood in the urine.

Also known as: Bloody urine

Clinical note: May be visible or found on urinalysis.

Hemat = blood; uria = urine.
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Renal

Proteinuria

Protein in urine

Presence of abnormal protein in the urine.

Also known as: Urine protein

Clinical note: Can be a sign of kidney disease or other conditions.

Protein + uria = protein in urine.
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Renal

Dialysate

Fluid used in dialysis

Special fluid used during dialysis to help remove wastes and balance electrolytes.

Also known as: Dialysis fluid

Clinical note: Used in hemodialysis or peritoneal dialysis systems.

Dialysate helps clean blood.
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Renal

Foley catheter

Indwelling urinary catheter

A tube placed into the bladder to drain urine continuously.

Also known as: Urinary catheter

Clinical note: Requires infection prevention and monitoring of urine output.

Foley drains bladder.
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Renal

Urinary retention

Inability to empty bladder

A condition where the bladder does not empty fully or at all.

Also known as: Retained urine

Clinical note: Can cause discomfort, bladder distention, or kidney concerns if severe.

Retention = urine held back.
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Renal

Nephrotoxic

Harmful to kidneys

A substance or medication that can damage kidney function.

Also known as: Kidney-toxic

Clinical note: Important when reviewing medications and kidney labs.

Nephro = kidney; toxic = harmful.
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Renal

Uremia

Waste buildup in blood

A condition where kidney failure leads to buildup of waste products in the blood.

Also known as: Uremic state

Clinical note: Can cause nausea, confusion, itching, fatigue, or other symptoms.

Uremia = urine waste in blood.
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Hematology

Leukocytosis

High white blood cell count

An elevated white blood cell count.

Also known as: High WBC

Clinical note: Can occur with infection, inflammation, stress, steroids, or blood disorders.

Leuko = white; cytosis = increased cells.
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Hematology

Leukopenia

Low white blood cell count

A decreased white blood cell count.

Also known as: Low WBC

Clinical note: Can increase infection risk depending severity and cause.

Leuko = white; penia = low.
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Hematology

Neutropenia

Low neutrophil count

A low level of neutrophils, a type of white blood cell important for fighting infection.

Also known as: Low neutrophils

Clinical note: Can increase risk for serious infection.

Neutropenia = low infection-fighting cells.
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Hematology

Thrombocytopenia

Low platelet count

A decreased platelet count.

Also known as: Low platelets

Clinical note: Can increase bleeding risk depending severity.

Thrombo = clot; cyto = cell; penia = low.
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Hematology

Polycythemia

High red blood cell level

An increased concentration of red blood cells.

Also known as: High RBC

Clinical note: Can thicken blood and may require evaluation of cause.

Poly = many; cythemia = cells in blood.
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Hematology

Coagulation

Blood clotting process

The process by which blood forms clots to stop bleeding.

Also known as: Clotting

Clinical note: Too much or too little clotting can both be dangerous.

Coagulation = clot formation.
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Hematology

Hemolysis

Red blood cell breakdown

Destruction of red blood cells.

Also known as: RBC breakdown

Clinical note: Can affect lab results and occur in certain diseases.

Hemo = blood; lysis = breakdown.
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Hematology

Petechiae

Tiny pinpoint bleeding spots

Small red or purple spots caused by bleeding under the skin.

Also known as: Pinpoint rash

Clinical note: Can be associated with low platelets, infection, trauma, or other causes.

Petechiae = pinpoint bleeding.
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Hematology

Ecchymosis

Bruise

A larger area of bleeding under the skin.

Also known as: Bruising

Clinical note: Can occur from trauma, bleeding disorders, or anticoagulants.

Ecchymosis = bruise.
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Hematology

Hematoma

Localized blood collection

A collection of blood outside blood vessels.

Also known as: Blood pocket

Clinical note: Can occur after injury, procedure, or bleeding problem.

Hematoma = blood mass.
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Infectious Disease

Pathogen

Disease-causing organism

A microorganism or agent capable of causing disease.

Also known as: Germ

Clinical note: Includes bacteria, viruses, fungi, and parasites.

Pathogen = disease producer.
Infectious Disease

Viremia

Virus in bloodstream

Presence of virus in the blood.

Also known as: Bloodstream virus

Clinical note: Clinical significance depends on virus and patient context.

Viremia = virus in blood.
Infectious Disease

Fungemia

Fungus in bloodstream

Presence of fungal organisms in the blood.

Also known as: Bloodstream fungus

Clinical note: Can be serious, especially in immunocompromised patients.

Fungemia = fungus in blood.
Infectious Disease

Colonization

Organisms present without disease

Presence of microorganisms without causing active infection.

Also known as: Carrier state

Clinical note: Colonization is different from infection.

Colonization = present, not necessarily infected.
Infectious Disease

Contagious

Able to spread person-to-person

A disease or organism that can spread from one person to another.

Also known as: Transmissible

Clinical note: Transmission depends on organism and route.

Contagious = can spread.
Infectious Disease

Isolation precautions

Infection control measures

Special precautions used to reduce spread of infectious organisms.

Also known as: Transmission precautions

Clinical note: May include contact, droplet, or airborne precautions.

Isolation precautions block spread.
Infectious Disease

Contact precautions

Precautions for touch spread

Infection control practices used for organisms spread by direct or indirect contact.

Also known as: Contact isolation

Clinical note: Often includes gown and gloves according to policy.

Contact = touch spread.
Infectious Disease

Droplet precautions

Precautions for respiratory droplets

Infection control practices used for organisms spread by larger respiratory droplets.

Also known as: Droplet isolation

Clinical note: Often includes mask use according to policy.

Droplet = cough/sneeze spread.
Infectious Disease

Airborne precautions

Precautions for airborne spread

Infection control practices used for organisms that can remain suspended in air.

Also known as: Airborne isolation

Clinical note: May require special room ventilation and respirator use according to policy.

Airborne = floats in air.
Orthopedics

Range of motion

Joint movement ability

The movement available at a joint.

Also known as: ROM

Clinical note: Can be active, passive, limited, painful, or full.

ROM = how far it moves.
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Orthopedics

Fracture

Broken bone

A break in the structure of a bone.

Also known as: Bone break

Clinical note: Assessment includes pain, deformity, swelling, pulses, sensation, and function.

Fracture = broken bone.
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Orthopedics

Dislocation

Bone displaced from joint

A condition where a bone is forced out of its normal joint position.

Also known as: Joint out of place

Clinical note: Can affect nerves, blood flow, and movement.

Dislocation = joint out of place.
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Orthopedics

Sprain

Ligament injury

Stretching or tearing of a ligament.

Also known as: Ligament injury

Clinical note: Common around ankles, knees, and wrists.

Sprain = ligament.
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Orthopedics

Strain

Muscle or tendon injury

Stretching or tearing of a muscle or tendon.

Also known as: Muscle/tendon injury

Clinical note: Can occur from overuse, lifting, or sudden movement.

Strain = muscle/tendon.
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Orthopedics

Cast

Rigid support for injury

A hardened support used to immobilize a broken bone or injured area.

Also known as: Immobilizer

Clinical note: Assessment includes circulation, sensation, movement, pain, and skin concerns.

Cast keeps it still.
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Orthopedics

Splint

Supportive immobilizer

A device used to support and immobilize an injured body part.

Also known as: Brace support

Clinical note: Can be temporary or part of treatment.

Splint supports and protects.
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Orthopedics

Traction

Pulling force treatment

Use of a pulling force to align or immobilize a body part.

Also known as: Orthopedic traction

Clinical note: Requires careful setup and monitoring.

Traction = therapeutic pulling.
Orthopedics

Osteoporosis

Weak porous bones

A condition where bones become less dense and more fracture-prone.

Also known as: Low bone density

Clinical note: Increases risk of fractures, especially hip, spine, and wrist.

Osteo = bone; porosis = porous.
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Orthopedics

Arthroplasty

Joint replacement or repair

A surgical procedure to repair or replace a joint.

Also known as: Joint replacement

Clinical note: Common examples include hip or knee arthroplasty.

Arthro = joint; plasty = repair.
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Endocrinology

Adrenal gland

Hormone-producing gland

A small gland located above each kidney that produces hormones such as cortisol, aldosterone, and adrenaline.

Also known as: Suprarenal gland

Clinical note: Important in stress response, fluid balance, blood pressure, and metabolism.

Adrenal = above kidney.
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Endocrinology

Adrenaline

Fight-or-flight hormone

A hormone that increases heart rate, blood pressure, and energy availability during stress.

Also known as: Epinephrine

Clinical note: Also used as a medication in emergencies such as anaphylaxis and cardiac arrest protocols.

Adrenaline activates the body.
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Endocrinology

Aldosterone

Salt and water hormone

A hormone that helps regulate sodium, potassium, and fluid balance.

Also known as: Mineralocorticoid

Clinical note: Affects blood pressure and electrolyte balance through kidney action.

Aldosterone holds sodium and water.
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Endocrinology

Cortisol

Stress hormone

A hormone produced by the adrenal cortex that helps regulate stress response, glucose, inflammation, and blood pressure.

Also known as: Glucocorticoid

Clinical note: Abnormal cortisol levels can affect energy, immunity, glucose, and circulation.

Cortisol = stress steroid.
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Endocrinology

Endocrine system

Hormone communication system

The body system made of glands that release hormones into the blood.

Also known as: Hormone system

Clinical note: Controls metabolism, growth, stress response, reproduction, and fluid balance.

Endocrine = hormones into blood.
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Endocrinology

Exocrine gland

Gland with ducts

A gland that releases substances through ducts to a surface or cavity.

Also known as: Duct gland

Clinical note: Examples include sweat glands and salivary glands.

Exocrine exits through ducts.
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Endocrinology

Goiter

Enlarged thyroid

An enlargement of the thyroid gland.

Also known as: Thyroid enlargement

Clinical note: May be associated with iodine deficiency, thyroid dysfunction, nodules, or inflammation.

Goiter = big thyroid.
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Endocrinology

Hyperthyroidism

Overactive thyroid

A condition where the thyroid produces too much thyroid hormone.

Also known as: High thyroid

Clinical note: May cause weight loss, heat intolerance, tremor, anxiety, and fast heart rate.

Hyperthyroid = body speeds up.
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Endocrinology

Hypothyroidism

Underactive thyroid

A condition where the thyroid does not produce enough thyroid hormone.

Also known as: Low thyroid

Clinical note: May cause fatigue, cold intolerance, weight gain, constipation, and slow heart rate.

Hypothyroid = body slows down.
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Endocrinology

Thyroid gland

Neck hormone gland

A gland in the neck that produces hormones regulating metabolism.

Also known as: Thyroid

Clinical note: Important for energy, temperature, heart rate, and growth.

Thyroid controls metabolic speed.
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Endocrinology

TSH

Thyroid-stimulating hormone

A pituitary hormone that signals the thyroid to make thyroid hormone.

Also known as: Thyroid stimulating hormone

Clinical note: Often used to screen or monitor thyroid function.

TSH tells thyroid to work.
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Endocrinology

Insulin resistance

Reduced response to insulin

A condition where body cells do not respond normally to insulin.

Also known as: Reduced insulin sensitivity

Clinical note: Often associated with type 2 diabetes and metabolic syndrome.

Resistance = insulin has trouble working.
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Endocrinology

Type 1 diabetes

Autoimmune insulin deficiency

Diabetes caused by autoimmune destruction of insulin-producing pancreatic cells.

Also known as: T1DM

Clinical note: Requires insulin replacement and glucose monitoring.

Type 1 = little or no insulin production.
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Endocrinology

Type 2 diabetes

Insulin resistance diabetes

Diabetes commonly involving insulin resistance and impaired insulin production.

Also known as: T2DM

Clinical note: Managed with lifestyle, medications, monitoring, and risk reduction.

Type 2 = insulin resistance pattern.
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Endocrinology

Diabetes insipidus

Water balance disorder

A condition causing excessive urination and thirst due to problems with antidiuretic hormone.

Also known as: DI

Clinical note: Different from diabetes mellitus; it is about water balance, not blood sugar.

DI = water problem, not sugar problem.
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Rehabilitation

Amputation

Removal of a limb/body part

Surgical or traumatic removal of a limb or body part.

Also known as: Limb removal

Clinical note: Care includes wound healing, mobility, pain, prosthetics, and emotional support.

Amputation = part removed.
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Rehabilitation

Assistive device

Tool that helps function

A device that helps a person move, perform tasks, or maintain independence.

Also known as: Adaptive equipment

Clinical note: Examples include cane, walker, wheelchair, reacher, and grab bars.

Assistive device assists independence.
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Rehabilitation

Cane

Single-hand walking aid

A mobility device used to improve balance or reduce weight bearing.

Also known as: Walking aid

Clinical note: Proper fit and use help reduce fall risk.

Cane = balance support.
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Rehabilitation

Contracture

Permanent tightening of tissue

Shortening or tightening of muscle, tendon, or tissue that limits movement.

Also known as: Joint stiffness

Clinical note: Can occur with immobility, injury, neurologic disease, or scarring.

Contracture contracts movement.
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Rehabilitation

Gait belt

Transfer safety belt

A belt used by caregivers to assist with transfers or walking.

Also known as: Transfer belt

Clinical note: Helps improve safety when moving patients who need assistance.

Gait belt supports safe movement.
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Rehabilitation

Occupational therapy

Therapy for daily function

A rehabilitation specialty focused on helping people perform daily activities.

Also known as: OT

Clinical note: Addresses self-care, fine motor skills, adaptive equipment, and function.

OT = occupations of daily life.
Rehabilitation

Physical therapy

Therapy for movement and strength

A rehabilitation specialty focused on mobility, strength, balance, and function.

Also known as: PT

Clinical note: Helps patients recover movement and reduce fall risk.

PT = movement therapy.
Rehabilitation

Prosthesis

Artificial body part

An artificial replacement for a missing body part.

Also known as: Prosthetic device

Clinical note: Common examples include artificial limbs or joint replacements.

Prosthesis replaces a part.
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Rehabilitation

Transfer

Moving between surfaces

Moving a patient from one surface to another, such as bed to chair.

Also known as: Patient transfer

Clinical note: Requires safety planning, equipment, and assistance level assessment.

Transfer = move safely.
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Rehabilitation

Walker

Four-legged mobility aid

A walking aid that provides more support than a cane.

Also known as: Walking frame

Clinical note: Used for balance, weakness, or limited weight bearing.

Walker = more support than cane.
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Wound Care

Laceration

Cut or tear in skin

A wound caused by tearing or cutting of tissue.

Also known as: Cut

Clinical note: Assessment includes depth, bleeding, contamination, location, and need for closure.

Laceration = torn/cut tissue.
Wound Care

Puncture wound

Deep narrow wound

A wound caused by a pointed object piercing the skin.

Also known as: Piercing wound

Clinical note: Can carry infection risk because the opening may be small but deep.

Puncture = poked in.
Wound Care

Serous drainage

Clear watery drainage

Thin, clear or pale yellow wound drainage.

Also known as: Watery drainage

Clinical note: Can be normal in small amounts depending wound and healing stage.

Serous = serum-like fluid.
Wound Care

Sanguineous drainage

Bloody drainage

Wound drainage that is mostly blood.

Also known as: Blood drainage

Clinical note: May occur with fresh wounds or bleeding.

Sanguineous = bloody.
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Wound Care

Serosanguineous drainage

Pink watery drainage

Wound drainage made of both serum and blood.

Also known as: Pink drainage

Clinical note: Common in some healing wounds in small amounts.

Sero + sanguineous = watery plus blood.
Wound Care

Purulent drainage

Pus-like drainage

Thick drainage that may be yellow, green, tan, or foul-smelling.

Also known as: Pus drainage

Clinical note: Can suggest infection and should be assessed carefully.

Purulent = pus-like.
Wound Care

Undermining

Tissue loss under wound edge

A wound finding where tissue destruction extends under intact skin around the wound edge.

Also known as: Hidden wound pocket

Clinical note: Requires measuring because the surface opening may look smaller than actual wound size.

Undermining hides under edges.
Wound Care

Tunneling

Channel extending from wound

A narrow passageway that extends from a wound into deeper tissue.

Also known as: Wound tunnel

Clinical note: Requires measurement and careful wound care planning.

Tunneling = wound channel.
Wound Care

Wound bed

Visible base of wound

The tissue visible at the base of an open wound.

Also known as: Wound base

Clinical note: Assessment includes color, tissue type, moisture, and drainage.

Wound bed = wound floor.
Wound Care

Wound margin

Wound edge

The edge or border around a wound.

Also known as: Wound edge

Clinical note: Edges may be attached, rolled, macerated, or undermined.

Margin = edge.
Dermatology

Macule

Flat skin color change

A flat, non-raised area of skin color change.

Also known as: Flat lesion

Clinical note: Examples include freckles or some rashes.

Macule = flat mark.
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Dermatology

Papule

Small raised skin bump

A small, raised, solid skin lesion.

Also known as: Raised bump

Clinical note: Common in many rashes and skin conditions.

Papule = palpable bump.
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Dermatology

Vesicle

Small fluid-filled blister

A small fluid-filled skin lesion.

Also known as: Blister

Clinical note: Seen in certain infections, burns, or dermatitis patterns.

Vesicle = little fluid bubble.
Dermatology

Pustule

Pus-filled skin lesion

A small raised lesion filled with pus.

Also known as: Pus bump

Clinical note: Can be seen with acne or infection-related skin findings.

Pustule = pus bump.
Dermatology

Plaque

Raised broad skin lesion

A raised, flat-topped skin lesion larger than a papule.

Also known as: Raised patch

Clinical note: Commonly discussed in psoriasis and other skin diseases.

Plaque = raised patch.
Dermatology

Pruritus

Itching

An uncomfortable sensation that causes the desire to scratch.

Also known as: Itch

Clinical note: Can be caused by dryness, allergy, liver/kidney disease, medications, or skin disease.

Pruritus = itching.
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Dermatology

Urticaria

Hives

Raised itchy welts on the skin often associated with allergic or immune responses.

Also known as: Hives

Clinical note: Can occur with allergic reactions and may be concerning with airway symptoms.

Urticaria = hives.
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Dermatology

Maceration

Skin softened by moisture

Soft, pale, fragile skin caused by prolonged moisture exposure.

Also known as: Moisture damage

Clinical note: Common around wounds, incontinence, or damp dressings.

Maceration = moisture breakdown.
Dermatology

Excoriation

Scratched skin injury

Skin damage caused by scratching, rubbing, or abrasion.

Also known as: Scratch marks

Clinical note: Can occur with itching, incontinence, or friction.

Excoriation = scratched surface.
Dermatology

Eczema

Inflammatory itchy skin condition

A group of conditions causing dry, itchy, inflamed skin.

Also known as: Dermatitis

Clinical note: May flare with irritants, allergies, dryness, or immune triggers.

Eczema = itchy inflammation.
Ophthalmology

Myopia

Nearsightedness

A vision condition where distant objects appear blurry.

Also known as: Nearsighted

Clinical note: Corrected with glasses, contacts, or procedures depending patient.

Myopia = near vision clearer.
Ophthalmology

Hyperopia

Farsightedness

A vision condition where nearby objects may appear blurry.

Also known as: Farsighted

Clinical note: Corrected with lenses or procedures depending patient.

Hyperopia = far vision clearer.
Ophthalmology

Cataract

Clouding of eye lens

Clouding of the lens of the eye that can reduce vision.

Also known as: Cloudy lens

Clinical note: Common with aging and treated surgically when needed.

Cataract = cloudy lens.
Ophthalmology

Glaucoma

Optic nerve damage condition

A group of eye diseases often associated with increased eye pressure and optic nerve damage.

Also known as: Eye pressure disease

Clinical note: Can lead to vision loss if untreated.

Glaucoma = pressure/optic nerve risk.
Ophthalmology

Conjunctivitis

Inflammation of conjunctiva

Inflammation of the thin membrane covering the eye and inner eyelid.

Also known as: Pink eye

Clinical note: Can be viral, bacterial, allergic, or irritant-related.

Conjunctivitis = pink eye inflammation.
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Ophthalmology

Diplopia

Double vision

Seeing two images of one object.

Also known as: Double vision

Clinical note: Can be neurologic, muscular, eye-related, or medication-related.

Diplo = double; opia = vision.
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Ophthalmology

Photophobia

Light sensitivity

Discomfort or pain caused by light exposure.

Also known as: Light sensitivity

Clinical note: Can occur with migraine, eye inflammation, infection, or neurologic issues.

Photo = light; phobia = sensitivity/fear.
ENT

Tinnitus

Ringing in ears

Perception of ringing, buzzing, or noise in the ears without an external sound.

Also known as: Ear ringing

Clinical note: Can be related to hearing loss, medications, noise exposure, or other causes.

Tinnitus = internal ear noise.
ENT

Vertigo

Spinning sensation

A false sensation that you or the environment is spinning.

Also known as: Spinning dizziness

Clinical note: Often related to vestibular or neurologic causes.

Vertigo = spinning dizziness.
ENT

Epistaxis

Nosebleed

Bleeding from the nose.

Also known as: Nasal bleeding

Clinical note: Assess amount, duration, trauma, medications, and airway risk.

Epi + staxis = bleeding from nose context.
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Vital Signs

Apical pulse

Pulse heard at heart apex

Heart rate assessed by listening over the apex of the heart.

Also known as: Auscultated heart rate

Clinical note: Often used when pulse is irregular or before some heart medications.

Apical = at heart apex.
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Vital Signs

Core temperature

Internal body temperature

Temperature reflecting the body's internal thermal status.

Also known as: Internal temp

Clinical note: Measured more accurately by certain routes such as rectal, esophageal, or bladder in specific settings.

Core temp = internal temp.
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Vital Signs

Febrile

Having fever

A term meaning the patient has a fever.

Also known as: Feverish

Clinical note: Used to document elevated body temperature.

Febrile = fever present.
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Vital Signs

Mean arterial pressure

Average arterial pressure

A calculated pressure representing average blood pressure in arteries during one cardiac cycle.

Also known as: MAP

Clinical note: Used to assess perfusion pressure, especially in critical care.

MAP = average perfusion pressure.
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Vital Signs

Pulse pressure

Difference between systolic and diastolic

The difference between systolic and diastolic blood pressure.

Also known as: BP difference

Clinical note: Can provide clues about cardiovascular status in context.

Pulse pressure = top minus bottom.
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Vital Signs

Orthostatic vital signs

Vitals with position changes

Blood pressure and pulse measured lying, sitting, and standing.

Also known as: Orthostatics

Clinical note: Used to assess dizziness, dehydration, medication effects, or autonomic response.

Orthostatic = position-related vitals.
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Vital Signs

Tachycardia

Fast heart rate

A heart rate faster than expected for age and condition.

Also known as: Fast pulse

Clinical note: Can occur with fever, pain, anxiety, dehydration, hypoxia, shock, or arrhythmia.

Tachy = fast.
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Vital Signs

Bradycardia

Slow heart rate

A heart rate slower than expected for age and condition.

Also known as: Slow pulse

Clinical note: May be normal in athletes or concerning with symptoms or conduction problems.

Brady = slow.
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Vital Signs

Tachypnea

Fast breathing

A respiratory rate faster than expected.

Also known as: Fast respirations

Clinical note: Can occur with fever, anxiety, pain, hypoxia, acidosis, or respiratory distress.

Tachy = fast; pnea = breathing.
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Vital Signs

Pulse deficit

Difference between apical and radial pulse

A difference between the heartbeats heard at the apex and the pulse felt at the wrist.

Also known as: Apical-radial difference

Clinical note: Can occur with irregular rhythms where not every beat produces a palpable pulse.

Pulse deficit = missing palpable beats.
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Public Health

Cohort

Group with shared characteristic

A group of people with something in common, often used in research or infection control.

Also known as: Group

Clinical note: In healthcare operations, cohorting can group similar patients or risks.

Cohort = grouped together.
Public Health

Epidemiology

Study of disease patterns

The study of how diseases occur, spread, and affect populations.

Also known as: Population health science

Clinical note: Used to understand outbreaks, risk factors, and prevention.

Epidemiology = disease in populations.
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Public Health

Incidence

New cases over time

The number of new cases of a condition in a population during a specific time period.

Also known as: New cases

Clinical note: Shows how quickly a disease is occurring.

Incidence = new cases.
Public Health

Prevalence

Total existing cases

The number of people who have a condition at a given time or period.

Also known as: Existing cases

Clinical note: Shows how widespread a condition is.

Prevalence = present cases.
Public Health

Screening

Testing before symptoms

Checking for a disease or risk factor before symptoms appear.

Also known as: Early detection

Clinical note: Good screening tests are chosen based on evidence, risk, and population need.

Screening searches early.
Public Health

Surveillance

Ongoing monitoring

Systematic tracking of diseases, infections, or health events.

Also known as: Monitoring

Clinical note: Used in infection control, outbreak response, and public health planning.

Surveillance = watch trends.
Public Health

Outbreak

Increase in cases

More cases of a disease than expected in a place or group.

Also known as: Cluster of cases

Clinical note: Requires investigation and control measures.

Outbreak = cases break above expected.
Public Health

Pandemic

Global disease spread

An outbreak that spreads across countries or continents.

Also known as: Worldwide outbreak

Clinical note: Pandemics require broad public health coordination.

Pan = all; demos = people.
Public Health

Quarantine

Separating exposed people

Separating or restricting movement of people exposed to a contagious disease.

Also known as: Exposure separation

Clinical note: Different from isolation, which applies to people known or suspected to be infected.

Quarantine = exposed but not necessarily sick.
Public Health

Isolation

Separating infected people

Separating people with a contagious infection from those who are not infected.

Also known as: Infection separation

Clinical note: Used to reduce disease spread.

Isolation = infected separation.
Biomedical

Biomedical technician

Healthcare equipment specialist

A professional who services, inspects, troubleshoots, and repairs medical equipment.

Also known as: BMET; biomed tech

Clinical note: Supports patient safety through equipment maintenance and repair.

BMET keeps equipment safe.
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Biomedical

Preventive maintenance

Scheduled equipment service

Planned inspection, testing, or service performed to keep equipment safe and functional.

Also known as: PM

Clinical note: Common in clinical engineering and biomedical equipment programs.

PM prevents problems.
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Biomedical

Electrical safety test

Equipment safety check

Testing performed to evaluate electrical safety of medical equipment.

Also known as: EST

Clinical note: May include leakage current, grounding, and insulation checks depending equipment.

Electrical safety protects patients and staff.
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Biomedical

Leakage current

Unwanted electrical current flow

Small unintended current that can flow through equipment or grounding paths.

Also known as: Electrical leakage

Clinical note: Important in medical equipment safety testing.

Leakage current = current where it should not go.
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Biomedical

Ground resistance

Resistance of protective ground path

A measurement of the resistance in an equipment grounding path.

Also known as: Ground continuity

Clinical note: Low resistance helps protective grounding function properly.

Ground path should be low resistance.
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Biomedical

Calibration

Adjustment to known standard

Process of comparing or adjusting equipment output to match a known standard.

Also known as: Cal

Clinical note: Important for devices that measure or deliver precise values.

Calibration = match the standard.
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Biomedical

Service manual

Equipment repair reference

A technical document with maintenance, troubleshooting, and repair information for equipment.

Also known as: Technical manual

Clinical note: Used by trained equipment service personnel.

Service manual = repair roadmap.
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Biomedical

CMMS

Maintenance management software

Computerized system used to track equipment, work orders, preventive maintenance, and service history.

Also known as: Computerized maintenance management system

Clinical note: Common in biomedical and facilities departments.

CMMS tracks work.
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Biomedical

Work order

Service request record

A documented request or record for maintenance, repair, or inspection work.

Also known as: Service ticket

Clinical note: Used to track equipment issues and resolution.

Work order = service record.
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Biomedical

Device recall

Safety correction notice

A manufacturer or regulatory notice about a device problem that may require correction, removal, or monitoring.

Also known as: Recall notice

Clinical note: Clinical engineering helps identify affected devices and actions.

Recall = device safety alert.
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Neurology

Acetylcholine

Nerve signaling chemical

A neurotransmitter involved in muscle activation, autonomic function, and brain signaling.

Also known as: ACh

Clinical note: Important in neuromuscular junction function and some medication effects.

Acetylcholine helps nerves talk to muscles.
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Neurology

Aphasia

Language impairment

Difficulty understanding or producing language due to brain dysfunction.

Also known as: Speech/language impairment

Clinical note: Can occur after stroke or brain injury and differs from confusion.

Aphasia = language problem.
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Neurology

Dysarthria

Slurred speech from muscle control issue

Difficulty speaking clearly due to impaired muscle control.

Also known as: Slurred speech

Clinical note: Can occur with stroke, neurologic disease, intoxication, or weakness.

Dysarthria = articulation problem.
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Neurology

Hemiparesis

Weakness on one side

Weakness affecting one side of the body.

Also known as: One-sided weakness

Clinical note: A key neurologic finding that can occur with stroke or brain injury.

Hemi = half; paresis = weakness.
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Neurology

Hemiplegia

Paralysis on one side

Paralysis affecting one side of the body.

Also known as: One-sided paralysis

Clinical note: Can occur after stroke, spinal cord injury, or brain injury.

Hemi = half; plegia = paralysis.
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Neurology

Paresthesia

Abnormal sensation

Tingling, numbness, burning, or pins-and-needles sensation.

Also known as: Tingling; numbness

Clinical note: Can be related to nerves, circulation, diabetes, injury, or neurologic disease.

Paresthesia = odd sensation.
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Neurology

Neuropathy

Nerve disorder

Damage or dysfunction of nerves causing pain, numbness, weakness, or altered sensation.

Also known as: Nerve disease

Clinical note: Common causes include diabetes, injury, medications, and other conditions.

Neuro = nerve; pathy = disease.
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Neurology

Migraine

Neurologic headache disorder

A headache disorder that may include severe headache, nausea, light sensitivity, or aura.

Also known as: Migraine headache

Clinical note: Symptoms and triggers vary by patient.

Migraine is more than a headache.
Neurology

Aura

Warning neurologic symptom

A sensory or neurologic symptom that can occur before or during migraine or seizure.

Also known as: Warning symptom

Clinical note: May include visual changes, tingling, or speech symptoms depending cause.

Aura = warning signal.
Neurology

Synaptic transmission

Signal crossing nerve gap

The process of nerve cells communicating across a synapse.

Also known as: Nerve signaling

Clinical note: Important for brain, muscle, and medication concepts.

Synapse = signal crossing point.
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Endocrinology

Acromegaly

Excess growth hormone in adults

A condition caused by too much growth hormone after growth plates have closed.

Also known as: Growth hormone excess

Clinical note: Can cause enlarged hands, feet, facial features, and metabolic issues.

Acro = extremities; megaly = enlargement.
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Endocrinology

Addison disease

Adrenal hormone deficiency

A condition where the adrenal glands do not produce enough adrenal hormones.

Also known as: Adrenal insufficiency

Clinical note: Can affect blood pressure, sodium, potassium, glucose, and stress response.

Addison = adrenal underproduction.
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Endocrinology

Cushing syndrome

Excess cortisol state

A condition caused by prolonged high cortisol levels.

Also known as: Hypercortisolism

Clinical note: Can cause weight changes, high glucose, hypertension, and skin changes.

Cushing = cortisol too high.
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Endocrinology

Diabetic neuropathy

Nerve damage from diabetes

Nerve damage associated with diabetes.

Also known as: Diabetes nerve damage

Clinical note: Often affects feet and can increase injury risk due to reduced sensation.

Diabetic neuropathy = sugar-related nerve injury.
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Endocrinology

Glucagon

Hormone that raises blood sugar

A hormone that helps increase blood glucose levels.

Also known as: Glucose-raising hormone

Clinical note: Used by the body during low blood sugar states.

Glucagon gets glucose going.
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Endocrinology

Ketosis

Ketone production state

A metabolic state where the body produces ketones from fat breakdown.

Also known as: Ketone state

Clinical note: Can occur with fasting, low carbohydrate intake, or uncontrolled diabetes.

Ketosis = ketones present.
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Endocrinology

Metabolic syndrome

Cluster of metabolic risk factors

A group of conditions such as abdominal obesity, high blood pressure, abnormal glucose, and abnormal lipids.

Also known as: Insulin resistance syndrome

Clinical note: Increases risk for diabetes and cardiovascular disease.

Metabolic syndrome = risk cluster.
Endocrinology

Pancreas

Digestive and hormone organ

An organ that produces digestive enzymes and hormones such as insulin and glucagon.

Also known as: Pancreatic organ

Clinical note: Connects digestion and blood sugar regulation.

Pancreas handles enzymes and insulin.
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Endocrinology

Parathyroid hormone

Calcium-regulating hormone

A hormone that helps regulate calcium and phosphorus balance.

Also known as: PTH

Clinical note: Important for bone, kidney, and calcium regulation.

PTH pulls calcium up.
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Endocrinology

Thyroxine

Primary thyroid hormone

A thyroid hormone involved in metabolism and energy regulation.

Also known as: T4

Clinical note: Often measured with thyroid function testing.

T4 = thyroid hormone.
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Pharmacology

Aminoglycoside

Antibiotic class

A class of antibiotics used for certain serious bacterial infections.

Also known as: Gentamicin class

Clinical note: Can require monitoring for kidney and hearing-related toxicity.

Aminoglycosides need careful monitoring.
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Pharmacology

Anticholinergic

Medication blocking acetylcholine effects

A medication effect or class that blocks acetylcholine activity.

Also known as: Cholinergic blocker

Clinical note: Can cause dry mouth, urinary retention, constipation, confusion, or fast heart rate.

Anticholinergic = dries and slows secretions.
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Pharmacology

Beta agonist

Medication stimulating beta receptors

A medication that stimulates beta receptors, often used to open airways.

Also known as: Albuterol class

Clinical note: Can improve bronchospasm but may increase heart rate or cause tremor.

Beta agonist activates airways.
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Pharmacology

Calcium channel blocker

Medication affecting calcium channels

A drug class that can lower blood pressure, slow heart rate, or relax blood vessels depending type.

Also known as: CCB

Clinical note: Assessment may include blood pressure, heart rate, and edema.

CCB blocks calcium entry.
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Pharmacology

Cephalosporin

Antibiotic class

A beta-lactam antibiotic class used for many bacterial infections.

Also known as: Cephalexin/ceftriaxone class

Clinical note: Allergy history and infection type matter.

Cephalosporins are antibiotic cousins of penicillin.
Pharmacology

Loop diuretic

Strong diuretic class

A medication class that increases urine output by acting in the loop of Henle.

Also known as: Furosemide class

Clinical note: Can affect potassium, fluid status, and blood pressure.

Loop diuretics make fluid loop out.
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Pharmacology

Macrolide

Antibiotic class

A class of antibiotics used for certain respiratory, skin, and other infections.

Also known as: Azithromycin class

Clinical note: May have interaction or rhythm considerations depending medication and patient.

Macrolide = antibiotic class.
Pharmacology

Thiazide diuretic

Blood pressure diuretic class

A medication class that helps lower blood pressure and remove some fluid.

Also known as: Hydrochlorothiazide class

Clinical note: Can affect electrolytes and hydration status.

Thiazides change sodium and water.
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Pharmacology

Therapeutic range

Target medication level

The drug level range where a medication is expected to be effective without excessive toxicity.

Also known as: Target drug level

Clinical note: Used for medications that require blood level monitoring.

Therapeutic range = useful and safe zone.
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Pharmacology

Toxicity

Harmful medication effect

Harmful effects from too much medication, accumulation, or sensitivity.

Also known as: Drug toxicity

Clinical note: May be related to dose, kidney/liver function, interactions, or levels.

Toxicity = too much harm.
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Legal/Ethics

Consent

Permission for care

Agreement to a treatment, procedure, or service after appropriate information is provided.

Also known as: Informed permission

Clinical note: Valid consent depends on capacity, information, voluntariness, and context.

Consent = informed permission.
Legal/Ethics

Advance directive

Future healthcare instruction

A legal document describing healthcare wishes if a person cannot speak for themselves.

Also known as: Living will

Clinical note: Helps guide decisions when patients lose decision-making ability.

Advance directive speaks ahead.
Legal/Ethics

Power of attorney

Designated decision-maker

A legal role allowing someone to make decisions on another person's behalf under defined conditions.

Also known as: POA

Clinical note: Healthcare POA may help make medical decisions if the patient cannot.

POA = appointed voice.
Legal/Ethics

Capacity

Ability to make decisions

A patient's ability to understand information, appreciate consequences, reason, and communicate a choice.

Also known as: Decision-making ability

Clinical note: Capacity can vary by decision and clinical condition.

Capacity = can decide now.
Legal/Ethics

Confidentiality

Protecting private information

The duty to keep patient information private except when sharing is allowed or required.

Also known as: Privacy

Clinical note: Supports trust and legal compliance.

Confidentiality = protect information.
Legal/Ethics

HIPAA

Health privacy law

A U.S. law that protects certain health information and sets privacy/security standards.

Also known as: Health Insurance Portability and Accountability Act

Clinical note: Guides how protected health information is used and disclosed.

HIPAA = health privacy rules.
Legal/Ethics

Informed consent

Permission after explanation

Consent given after receiving information about risks, benefits, alternatives, and questions.

Also known as: Informed permission

Clinical note: Required for many procedures and treatments.

Informed consent = understand before agreeing.
Legal/Ethics

Negligence

Failure to use reasonable care

A legal concept involving failure to act with expected care, causing harm.

Also known as: Breach of care

Clinical note: Healthcare workers reduce risk by following standards, scope, policy, and documentation.

Negligence = care below standard.
Legal/Ethics

Patient autonomy

Right to make own decisions

The ethical principle that patients have the right to make informed choices about their care.

Also known as: Self-determination

Clinical note: Includes the right to accept or refuse treatment when capable.

Autonomy = patient choice.
Legal/Ethics

Scope creep

Working beyond role limits

Gradually taking on tasks outside one's approved role or scope.

Also known as: Role drift

Clinical note: Can create safety and liability concerns.

Scope creep = role boundaries slipping.
Cardiology

Apical impulse

Visible or palpable heartbeat point

The point on the chest where the heart's movement may be felt or seen.

Also known as: PMI; point of maximal impulse

Clinical note: Can shift with body habitus or heart enlargement.

Apical impulse = where heartbeat is felt.
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Cardiology

Cardiomegaly

Enlarged heart

An abnormal enlargement of the heart.

Also known as: Large heart

Clinical note: Can be seen on imaging and related to many heart conditions.

Cardio = heart; megaly = enlarged.
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Cardiology

Claudication

Pain from poor blood flow

Cramping pain, often in the legs, caused by inadequate blood flow during activity.

Also known as: Exertional leg pain

Clinical note: A clue for peripheral artery disease.

Claudication = circulation pain with walking.
Cardiology

Peripheral artery disease

Narrowed peripheral arteries

A condition where arteries outside the heart, often in the legs, are narrowed.

Also known as: PAD

Clinical note: Can cause claudication, poor wound healing, or reduced pulses.

PAD = poor artery delivery.
Cardiology

Peripheral vascular disease

Blood vessel disease outside heart/brain

A broad term for disease affecting peripheral circulation.

Also known as: PVD

Clinical note: Can involve arteries or veins depending usage.

PVD = peripheral vessel problem.
Cardiology

Jugular venous distention

Visible neck vein fullness

Bulging of the jugular veins that can indicate increased venous pressure.

Also known as: JVD

Clinical note: Can be seen with fluid overload, heart failure, or other conditions.

JVD = neck vein pressure clue.
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Cardiology

Orthostatic hypotension

BP drop with standing

A drop in blood pressure when changing position to standing.

Also known as: Postural hypotension

Clinical note: Can cause dizziness, falls, or fainting.

Orthostatic = position-related BP drop.
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Cardiology

Perfusion pressure

Pressure driving blood flow

The pressure gradient that helps move blood through tissues.

Also known as: Blood flow pressure

Clinical note: Important in shock, critical care, and organ perfusion.

Perfusion pressure pushes blood to tissue.
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Cardiology

Pulmonary hypertension

High pressure in lung circulation

High blood pressure in the arteries of the lungs.

Also known as: Pulmonary HTN

Clinical note: Can strain the right side of the heart and cause shortness of breath.

Pulmonary HTN = high lung vessel pressure.
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Cardiology

Valve stenosis

Narrowed heart valve

A heart valve that does not open fully, restricting blood flow.

Also known as: Valve narrowing

Clinical note: Can cause murmurs and affect heart workload.

Stenosis = narrowing.
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Respiratory

Air hunger

Feeling unable to get enough air

A distressing sensation of not getting enough air.

Also known as: Severe dyspnea

Clinical note: Can occur with hypoxia, acidosis, panic, or severe respiratory disease.

Air hunger = starving for air.
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Respiratory

Barrel chest

Rounded chest shape

A chest shape with increased front-to-back diameter.

Also known as: Increased AP diameter

Clinical note: Often associated with chronic lung disease such as COPD.

Barrel chest = rounded COPD clue.
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Respiratory

Bronchodilation

Airway widening

Relaxation or opening of the airways.

Also known as: Airway opening

Clinical note: Can occur naturally or from bronchodilator medications.

Bronchodilation = airways open.
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Respiratory

Hypoxemia

Low oxygen in blood

Lower-than-normal oxygen level in arterial blood.

Also known as: Low blood oxygen

Clinical note: Different from hypoxia, which refers to low oxygen in tissues.

Hypoxemia = low oxygen in blood.
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Respiratory

Pulmonary edema

Fluid in lungs

Fluid accumulation in lung tissue or alveoli.

Also known as: Lung fluid

Clinical note: Can cause shortness of breath, crackles, and low oxygen.

Pulmonary edema = fluid-filled lungs.
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Respiratory

Respiratory depression

Reduced breathing drive

Breathing that is too slow or ineffective due to decreased respiratory drive.

Also known as: Suppressed breathing

Clinical note: Can occur with opioids, sedatives, neurologic injury, or severe illness.

Respiratory depression = breathing slowed down.
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Respiratory

Respiratory failure

Inability to oxygenate or ventilate

A condition where the lungs cannot adequately oxygenate blood or remove carbon dioxide.

Also known as: Breathing failure

Clinical note: May require oxygen, ventilation support, or emergency intervention.

Respiratory failure = lungs not meeting gas exchange needs.
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Respiratory

Tension pneumothorax

Pressure-trapped chest air

A life-threatening pneumothorax where trapped air increases pressure and impairs circulation.

Also known as: Tension pneumo

Clinical note: An emergency that can cause shock and respiratory distress.

Tension pneumo = air pressure emergency.
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Respiratory

Tracheal deviation

Trachea shifted from midline

A finding where the trachea is displaced to one side.

Also known as: Shifted airway

Clinical note: Can be a concerning sign in chest trauma or tension pneumothorax context.

Tracheal deviation = airway shifted.
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Respiratory

Venturi mask

Precise oxygen mask

An oxygen delivery mask that provides a controlled oxygen concentration.

Also known as: Venti mask

Clinical note: Useful when precise FiO2 delivery is desired.

Venturi = controlled oxygen percent.
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Pediatrics

Apgar

Newborn scoring acronym

A newborn scoring method using appearance, pulse, grimace, activity, and respiration.

Also known as: APGAR score

Clinical note: Used shortly after birth to assess transition.

APGAR checks newborn adaptation.
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Pediatrics

Bronchiolitis

Small airway inflammation

Inflammation of the bronchioles, often in infants and young children.

Also known as: Small airway illness

Clinical note: Can cause wheezing, cough, and respiratory distress.

Bronchiolitis = little airway inflammation.
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Pediatrics

Croup

Upper airway illness

A pediatric respiratory illness often causing barking cough and sometimes stridor.

Also known as: Laryngotracheobronchitis

Clinical note: Stridor or respiratory distress needs careful assessment.

Croup = barking cough.
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Pediatrics

Febrile seizure

Seizure with fever in child

A seizure associated with fever in young children.

Also known as: Fever seizure

Clinical note: Requires assessment and evaluation based on age, duration, and symptoms.

Febrile = fever-related.
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Pediatrics

Milestone

Developmental skill marker

A skill or behavior expected around a certain age range in child development.

Also known as: Developmental milestone

Clinical note: Used to monitor growth and development.

Milestone = developmental checkpoint.
Pediatrics

Neonate

Newborn infant

An infant in the first 28 days of life.

Also known as: Newborn

Clinical note: Neonates have unique vital signs, temperature regulation, and assessment needs.

Neo = new; nate = born.
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Pediatrics

Pediatric respiratory distress

Child breathing emergency

Increased work of breathing in a child.

Also known as: Child respiratory distress

Clinical note: Signs can include nasal flaring, retractions, grunting, tachypnea, or color change.

Kids show distress with work of breathing.
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Pediatrics

Nasal flaring

Nostril widening with breathing

Widening of nostrils during breathing, often a sign of increased work of breathing.

Also known as: Flaring nostrils

Clinical note: Important respiratory distress sign in infants and children.

Nasal flaring = working to breathe.
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Pediatrics

Grunting

Expiratory sound in distress

A sound made during exhalation to help keep airways open.

Also known as: Respiratory grunting

Clinical note: Can be a serious sign of respiratory distress in infants or children.

Grunting = pressure-building breathing sign.
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Pediatrics

Pediatric dehydration

Fluid deficit in child

Dehydration in an infant or child.

Also known as: Child dehydration

Clinical note: Assessment may include mucous membranes, tears, urine output, fontanelle, and behavior.

Kids dehydrate quickly.
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OB/GYN

Placenta

Pregnancy exchange organ

An organ that develops during pregnancy to exchange oxygen, nutrients, and waste between mother and fetus.

Also known as: Afterbirth

Clinical note: Placental function is essential for fetal growth.

Placenta = pregnancy exchange organ.
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OB/GYN

Amniotic fluid

Fluid around fetus

Fluid surrounding the fetus during pregnancy.

Also known as: Pregnancy fluid

Clinical note: Protects the fetus and supports development.

Amniotic fluid cushions baby.
OB/GYN

Eclampsia

Seizures related to preeclampsia

A severe pregnancy complication involving seizures in the setting of preeclampsia.

Also known as: Pregnancy seizure emergency

Clinical note: Requires emergency treatment and obstetric care.

Eclampsia = preeclampsia plus seizure.
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OB/GYN

Preeclampsia

Pregnancy hypertension disorder

A pregnancy condition involving high blood pressure and signs of organ involvement.

Also known as: Pregnancy HTN disorder

Clinical note: Can be dangerous for mother and fetus.

Preeclampsia = pregnancy pressure problem.
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OB/GYN

Lochia

Postpartum vaginal discharge

Normal uterine discharge after childbirth.

Also known as: Postpartum bleeding/discharge

Clinical note: Assessment includes amount, color, odor, and clots.

Lochia = postpartum flow.
OB/GYN

Fundus

Top of uterus

The upper portion of the uterus.

Also known as: Uterine fundus

Clinical note: After delivery, fundal assessment helps monitor uterine tone and bleeding risk.

Fundus = top of uterus.
OB/GYN

Dilation

Opening of cervix

The widening of the cervix during labor.

Also known as: Cervical opening

Clinical note: Measured in centimeters during labor assessment.

Dilation = opening.
OB/GYN

Effacement

Thinning of cervix

The thinning and shortening of the cervix during labor.

Also known as: Cervical thinning

Clinical note: Measured as a percentage.

Effacement = cervix thins out.
OB/GYN

Station

Fetal position in pelvis

A measure of how far the presenting fetal part has descended in the pelvis.

Also known as: Fetal station

Clinical note: Used during labor assessment.

Station = fetal descent level.
OB/GYN

Rupture of membranes

Breaking of amniotic sac

When the amniotic sac breaks and fluid leaks.

Also known as: Water breaking; ROM

Clinical note: Assessment includes time, color, odor, and fetal/maternal status.

ROM = membranes ruptured.
Quality/Safety

Audit

Formal review process

A structured review of records, processes, or outcomes to evaluate quality or compliance.

Also known as: Quality review

Clinical note: Used to identify gaps and improve systems.

Audit = check the process.
Quality/Safety

Event report

Safety incident documentation

A report used to document patient safety events, near misses, or hazards.

Also known as: Incident report

Clinical note: Supports learning and process improvement, not blame.

Event report = safety learning tool.
Quality/Safety

Fall prevention

Actions to reduce falls

Interventions used to lower a patient's risk of falling.

Also known as: Fall precautions

Clinical note: May include alarms, footwear, call bell access, assistance, and environment checks.

Fall prevention = safety bundle.
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Quality/Safety

High-alert medication

Medication with high harm risk

A medication that can cause significant harm if used incorrectly.

Also known as: High-risk medication

Clinical note: Requires extra safeguards according to policy.

High-alert = high caution.
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Quality/Safety

Medication error

Preventable medication-related mistake

An error in prescribing, dispensing, administering, or monitoring medication.

Also known as: Med error

Clinical note: Reporting and analysis help prevent recurrence.

Med errors require system learning.
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Quality/Safety

Near miss

Error caught before harm

A safety event that could have caused harm but did not reach the patient or cause injury.

Also known as: Close call

Clinical note: Important for prevention because it reveals system weakness.

Near miss = caught in time.
Quality/Safety

Patient identifier

Information confirming patient identity

Information used to verify the correct patient before care, medication, or procedure.

Also known as: Two identifiers

Clinical note: Common identifiers include name and date of birth, depending policy.

Identifiers prevent wrong-patient errors.
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Quality/Safety

Root cause analysis

Deep review of safety event

A structured process to identify underlying causes of an adverse event.

Also known as: RCA

Clinical note: Focuses on systems and prevention rather than individual blame.

RCA asks why repeatedly.
Quality/Safety

Sentinel event

Serious safety event

A patient safety event resulting in death, permanent harm, or severe temporary harm.

Also known as: Serious event

Clinical note: Requires urgent review and prevention planning.

Sentinel = warning event.
Quality/Safety

Time-out

Pre-procedure safety pause

A required pause before a procedure to confirm patient, procedure, site, and other key safety items.

Also known as: Surgical pause

Clinical note: Helps prevent wrong patient, wrong site, or wrong procedure errors.

Time-out = stop and verify.
Abbreviations

ABX

Antibiotics abbreviation

A common shorthand abbreviation for antibiotics.

Also known as: Antibiotics

Clinical note: Used in clinical notes, but abbreviations should always be interpreted in context.

ABX = antibiotics.
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Emergency Medicine

ACLS

Advanced cardiac life support

A structured emergency care approach for adult cardiac arrest and serious cardiovascular emergencies.

Also known as: Advanced Cardiovascular Life Support

Clinical note: Used by trained clinicians during emergency response.

ACLS = advanced cardiac emergency care.
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Medical Equipment

AED

Automated external defibrillator

A portable device that analyzes heart rhythm and can deliver a shock when indicated.

Also known as: Defibrillator

Clinical note: Designed to support rapid response to sudden cardiac arrest.

AED = automated shock device.
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Medical Equipment

Ambu bag

Manual ventilation bag

A handheld device used to provide breaths to a patient who is not breathing adequately.

Also known as: Bag-valve mask; BVM

Clinical note: Requires proper seal, airway positioning, and trained use.

Ambu bag = squeeze breaths in.
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Medical Equipment

BVM

Bag-valve-mask device

A manual device used to ventilate a patient through a face mask or advanced airway.

Also known as: Ambu bag

Clinical note: Used in respiratory arrest, cardiac arrest, or inadequate ventilation.

BVM = bag, valve, mask.
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Emergency Medicine

Chest compressions

Manual pumping during CPR

Rhythmic pressure applied to the chest during CPR to circulate blood.

Also known as: CPR compressions

Clinical note: High-quality compressions are central to resuscitation response.

Compressions manually circulate blood.
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Emergency Medicine

CPR

Cardiopulmonary resuscitation

Emergency actions used when a person has no effective breathing or circulation.

Also known as: Resuscitation

Clinical note: Includes compressions and ventilation according to training and protocols.

CPR supports circulation and breathing.
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Emergency Medicine

ROSC

Return of spontaneous circulation

Return of a pulse and effective circulation after cardiac arrest.

Also known as: Pulse returned

Clinical note: A critical milestone after resuscitation efforts.

ROSC = circulation returned.
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Emergency Medicine

Shockable rhythm

Rhythm treatable with defibrillation

A cardiac arrest rhythm where defibrillation may be indicated.

Also known as: VFib or pulseless VT

Clinical note: Common examples include ventricular fibrillation and pulseless ventricular tachycardia.

Shockable = defib may help.
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Emergency Medicine

Non-shockable rhythm

Rhythm not treated with defibrillation

A cardiac arrest rhythm where defibrillation is not indicated.

Also known as: Asystole or PEA

Clinical note: Management focuses on CPR, cause identification, and medications per protocol.

Non-shockable = CPR and causes.
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EKG

PEA

Pulseless electrical activity

An organized electrical rhythm on monitor without a palpable pulse.

Also known as: Pulseless electrical activity

Clinical note: A cardiac arrest rhythm that is not shockable.

PEA = electricity without pulse.
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EKG

Junctional rhythm

Rhythm from AV junction

A heart rhythm originating near the AV junction instead of the sinus node.

Also known as: AV junction rhythm

Clinical note: May show absent, inverted, or unusual P waves.

Junctional = backup rhythm near AV node.
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EKG

First-degree AV block

Delayed AV conduction

An EKG pattern where the PR interval is longer than normal but every atrial impulse conducts.

Also known as: 1st degree heart block

Clinical note: Usually identified by prolonged PR interval.

First degree = slow but still conducts.
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EKG

Second-degree AV block

Intermittent conduction block

An EKG pattern where some atrial impulses do not conduct to the ventricles.

Also known as: 2nd degree heart block

Clinical note: Includes Mobitz I and Mobitz II patterns.

Second degree = some beats blocked.
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EKG

Third-degree AV block

Complete heart block

An EKG pattern where atria and ventricles beat independently.

Also known as: Complete heart block

Clinical note: Can cause severe bradycardia and poor perfusion.

Third degree = complete disconnect.
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EKG

Mobitz I

Progressively lengthening PR block

A second-degree AV block pattern where PR interval lengthens until a beat drops.

Also known as: Wenckebach

Clinical note: Often remembered as longer, longer, drop.

Mobitz I = longer then drop.
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EKG

Mobitz II

Sudden dropped QRS block

A second-degree AV block pattern with dropped QRS complexes without progressive PR lengthening.

Also known as: Type II second-degree block

Clinical note: Can be more concerning and progress to complete block.

Mobitz II = sudden drop.
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EKG

QT prolongation

Long QT interval

An EKG finding where the QT interval is longer than expected.

Also known as: Prolonged QT

Clinical note: Can increase risk for dangerous ventricular rhythms.

Long QT = rhythm risk.
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EKG

Torsades de pointes

Twisting ventricular tachycardia

A specific polymorphic ventricular tachycardia associated with prolonged QT.

Also known as: Torsades

Clinical note: A dangerous rhythm requiring urgent recognition and treatment.

Torsades twists around baseline.
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EKG

ST elevation

Raised ST segment

An EKG finding where the ST segment is elevated above baseline.

Also known as: STE

Clinical note: Can suggest acute injury pattern in the right clinical context.

ST elevation = injury clue.
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Respiratory

Atelectasis prevention

Actions to keep alveoli open

Interventions used to reduce risk of alveolar collapse.

Also known as: Lung expansion prevention

Clinical note: May include deep breathing, coughing, mobility, and incentive spirometry as appropriate.

Prevention keeps air sacs open.
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Respiratory

Biot respirations

Irregular breathing pattern

A breathing pattern with irregular respirations and periods of apnea.

Also known as: Ataxic breathing

Clinical note: Can be associated with neurologic injury or serious illness.

Biot = irregular with apnea.
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Respiratory

Cheyne-Stokes respirations

Cyclic breathing pattern

A breathing pattern that gradually increases, then decreases, followed by apnea.

Also known as: Crescendo-decrescendo breathing

Clinical note: May occur with neurologic or cardiac conditions.

Cheyne-Stokes = waves then pause.
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Respiratory

Kussmaul respirations

Deep rapid breathing

Deep, labored breathing often associated with metabolic acidosis.

Also known as: Acidotic breathing

Clinical note: Classically associated with diabetic ketoacidosis.

Kussmaul = blowing off acid CO2.
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Respiratory

Nasal cannula

Low-flow oxygen device

A device with prongs placed in the nose to deliver oxygen.

Also known as: NC

Clinical note: Commonly used for low-flow oxygen support.

Nasal cannula = oxygen through nose.
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Respiratory

Non-rebreather mask

High-concentration oxygen mask

A mask with a reservoir bag used to deliver high oxygen concentration.

Also known as: NRB

Clinical note: Used when higher oxygen support is needed.

Non-rebreather = high oxygen mask.
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Respiratory

Simple face mask

Oxygen mask device

A mask that covers the nose and mouth to deliver oxygen.

Also known as: Face mask

Clinical note: Provides more oxygen support than nasal cannula in many settings.

Simple mask = oxygen over nose/mouth.
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Medical Equipment

Peak flow meter

Breathing flow measurement device

A device used to measure how fast a person can exhale.

Also known as: Peak expiratory flow meter

Clinical note: Often used in asthma monitoring.

Peak flow = best blow speed.
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Lab Values

Sputum culture

Test of respiratory mucus

A lab test that checks coughed-up mucus for infectious organisms.

Also known as: Respiratory culture

Clinical note: Used when lower respiratory infection is suspected.

Sputum culture looks for lung germs.
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Procedures

Thoracostomy

Surgical chest opening

A procedure creating an opening into the chest wall, often for chest tube placement.

Also known as: Chest tube opening

Clinical note: Used to drain air, blood, or fluid from pleural space.

Thoraco = chest; ostomy = opening.
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Procedures

Blood transfusion

Administration of blood product

Giving blood or blood components through IV access.

Also known as: Transfusion

Clinical note: Requires patient verification, compatibility checks, monitoring, and reaction awareness.

Transfusion = transfer blood product.
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Conditions

Transfusion reaction

Adverse response to transfusion

A harmful reaction during or after blood product administration.

Also known as: Blood reaction

Clinical note: Can include fever, chills, rash, breathing issues, back pain, or shock depending type.

Reaction during transfusion is urgent.
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Lab Values

Crossmatch

Blood compatibility test

A test used to check compatibility between donor blood and patient blood.

Also known as: Type and cross

Clinical note: Helps reduce risk of transfusion reaction.

Crossmatch checks blood match.
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Lab Values

Type and screen

Blood type and antibody test

A blood bank test identifying blood type and screening for antibodies.

Also known as: T&S

Clinical note: Often ordered before possible transfusion or surgery.

Type and screen prepares for blood needs.
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Hematology

Packed red blood cells

Concentrated red blood cell product

A blood product containing mostly red blood cells.

Also known as: PRBCs

Clinical note: Used to improve oxygen-carrying capacity in selected patients.

PRBCs raise red cell oxygen capacity.
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Hematology

Fresh frozen plasma

Plasma blood product

A blood product containing clotting factors.

Also known as: FFP

Clinical note: May be used in certain bleeding or coagulation situations.

FFP supports clotting factors.
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Hematology

Cryoprecipitate

Concentrated clotting product

A blood product rich in fibrinogen and other clotting factors.

Also known as: Cryo

Clinical note: Used in selected bleeding or low fibrinogen situations.

Cryo = concentrated clotting support.
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Hematology

Fibrinogen

Clot-forming protein

A blood protein that helps form fibrin during clotting.

Also known as: Factor I

Clinical note: Low fibrinogen can contribute to bleeding.

Fibrinogen forms fibrin clot mesh.
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Hematology

INR reversal

Correction of high anticoagulation effect

Treatment approach to reduce excessive anticoagulation effect when clinically needed.

Also known as: Warfarin reversal context

Clinical note: Depends on medication, bleeding, urgency, and protocol.

Reversal reduces bleeding risk.
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Hematology

Sickle cell disease

Inherited red blood cell disorder

A genetic disorder where red blood cells can become sickle-shaped and block blood flow.

Also known as: SCD

Clinical note: Can cause pain crises, anemia, infection risk, and organ complications.

Sickle cells can clog flow.
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Anatomy

Bone marrow

Blood cell production tissue

Soft tissue inside bones that produces blood cells.

Also known as: Marrow

Clinical note: Important for red cells, white cells, and platelets.

Bone marrow makes blood cells.
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Anatomy

Cartilage

Flexible connective tissue

Smooth supportive tissue found in joints, nose, ears, and airway structures.

Also known as: Flexible tissue

Clinical note: Helps cushion joints and support structures.

Cartilage cushions and supports.
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Anatomy

Ligament

Bone-to-bone connector

Strong connective tissue that connects bones to other bones.

Also known as: Joint stabilizer

Clinical note: Ligaments stabilize joints.

Ligaments link bones.
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Anatomy

Tendon

Muscle-to-bone connector

Strong connective tissue that connects muscle to bone.

Also known as: Muscle attachment

Clinical note: Tendons help muscles move bones.

Tendons tug bones.
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Anatomy

Fascia

Connective tissue sheet

A layer or band of connective tissue surrounding muscles and organs.

Also known as: Connective tissue layer

Clinical note: Fascia helps support and separate body structures.

Fascia = wrapping tissue.
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Anatomy

Peritoneum

Abdominal lining membrane

A membrane lining the abdominal cavity and covering abdominal organs.

Also known as: Abdominal membrane

Clinical note: Important in abdominal anatomy and infection spread.

Peritoneum lines the belly cavity.
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Anatomy

Pleura

Lung lining membrane

A membrane surrounding the lungs and lining the chest cavity.

Also known as: Pleural membrane

Clinical note: Pleural space can collect air or fluid.

Pleura wraps lungs.
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Anatomy

Pericardium

Heart surrounding sac

A sac-like membrane around the heart.

Also known as: Heart sac

Clinical note: Fluid or inflammation around it can affect heart function.

Pericardium wraps heart.
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Anatomy

Meninges

Brain and spinal cord coverings

Protective membranes covering the brain and spinal cord.

Also known as: CNS coverings

Clinical note: Inflammation of meninges is meningitis.

Meninges protect CNS.
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Anatomy

Synovial fluid

Joint lubricating fluid

Fluid inside synovial joints that reduces friction and nourishes cartilage.

Also known as: Joint fluid

Clinical note: Important for smooth joint movement.

Synovial fluid lubricates joints.
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Assessment

Baseline

Usual patient status

The patient's normal or usual condition for comparison.

Also known as: Normal for patient

Clinical note: Changes from baseline may be more important than isolated numbers.

Baseline = patient’s usual.
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Assessment

Clinical deterioration

Worsening patient condition

A decline in a patient's status that may require urgent intervention.

Also known as: Patient getting worse

Clinical note: May show through vitals, mental status, breathing, pain, or perfusion changes.

Deterioration = getting worse.
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Assessment

Focused assessment

Problem-specific assessment

An assessment centered on a particular complaint, system, or change in condition.

Also known as: Targeted assessment

Clinical note: Used when a specific issue needs evaluation.

Focused = targeted to problem.
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Assessment

Head-to-toe assessment

Full body assessment

A systematic assessment from head to toe across body systems.

Also known as: Complete assessment

Clinical note: Helps identify abnormal findings and patient needs.

Head-to-toe = systematic check.
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Assessment

Initial assessment

First patient assessment

The first evaluation of a patient during an encounter or shift.

Also known as: First look

Clinical note: Establishes baseline and identifies urgent needs.

Initial = first assessment.
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Assessment

Reassessment

Repeat evaluation

Checking the patient again after time, treatment, or change in condition.

Also known as: Follow-up assessment

Clinical note: Confirms whether interventions worked or status changed.

Reassessment = check again.
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Assessment

Objective data

Measurable observed information

Information that can be seen, measured, or verified.

Also known as: Signs

Clinical note: Examples include vital signs, lab results, and observed findings.

Objective = observed or measured.
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Assessment

Subjective data

Patient-reported information

Information reported by the patient, such as pain, nausea, or dizziness.

Also known as: Symptoms

Clinical note: Important because patients describe what only they can feel.

Subjective = patient says.
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Assessment

Red flag

Warning sign

A symptom or finding that suggests a potentially serious problem.

Also known as: Danger sign

Clinical note: Red flags should prompt urgent evaluation or escalation.

Red flag = do not ignore.
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Assessment

Trending

Watching changes over time

Comparing repeated values or findings to see direction of change.

Also known as: Trend monitoring

Clinical note: Trends often matter more than one isolated value.

Trending = pattern over time.
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Medical Equipment

Air mattress

Pressure redistribution mattress

A mattress designed to reduce pressure injury risk by redistributing pressure.

Also known as: Pressure-relief mattress

Clinical note: Used for patients at risk for pressure injury.

Air mattress protects skin pressure points.
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Medical Equipment

Bed alarm

Fall prevention alarm

A device that alerts staff when a patient attempts to get out of bed.

Also known as: Patient alarm

Clinical note: Used as part of fall prevention strategies.

Bed alarm alerts movement.
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Medical Equipment

Compression stocking

Elastic stocking for circulation

A stocking that applies pressure to the legs to support venous return.

Also known as: TED hose

Clinical note: Used for edema or clot-risk reduction depending orders and patient status.

Compression stockings squeeze veins.
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Medical Equipment

Hoyer lift

Mechanical patient lift

A powered or manual lift used to transfer patients safely.

Also known as: Patient lift

Clinical note: Reduces injury risk for patients and staff when used properly.

Hoyer lift lifts patients safely.
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Medical Equipment

Kangaroo pump

Enteral feeding pump brand/type

A feeding pump used to deliver tube feeding at controlled rates.

Also known as: Feeding pump

Clinical note: Commonly seen in enteral nutrition workflows.

Kangaroo pump feeds through tube.
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Medical Equipment

PCA pump

Patient-controlled analgesia pump

A pump that allows patients to self-administer controlled doses of pain medication within set limits.

Also known as: Pain pump

Clinical note: Requires monitoring for sedation, respiratory status, and pump settings.

PCA = patient-controlled pain dosing.
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Medical Equipment

Sequential compression sleeves

Inflatable leg sleeves

Sleeves connected to a compression device to help reduce clot risk.

Also known as: SCD sleeves

Clinical note: They inflate and deflate to promote venous return.

SCD sleeves squeeze legs.
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Medical Equipment

Specimen cup

Container for lab sample

A container used to collect urine, sputum, or other specimens.

Also known as: Sample cup

Clinical note: Correct labeling and collection technique matter.

Specimen cup holds sample.
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Medical Equipment

Transport monitor

Portable patient monitor

A monitor used to track patient parameters during transport.

Also known as: Portable monitor

Clinical note: Useful for moving monitored patients safely.

Transport monitor travels with patient.
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Medical Equipment

Wheelchair

Seated mobility device

A chair with wheels used for mobility or transport.

Also known as: Mobility chair

Clinical note: Used for patients with limited walking ability or transport needs.

Wheelchair helps mobility.
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Lab Values

Clean catch urine

Midstream urine sample

A urine specimen collected after cleaning the area and catching urine midstream.

Also known as: Midstream urine

Clinical note: Helps reduce contamination in urinalysis or culture.

Clean catch reduces contamination.
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Lab Values

Critical value

Urgent lab result

A lab value so abnormal it may require rapid communication or action.

Also known as: Critical lab

Clinical note: Facilities define critical values and reporting processes.

Critical value = urgent lab alert.
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Lab Values

Culture and sensitivity

Test identifying organism and antibiotic response

A test that identifies microorganisms and which antibiotics may work.

Also known as: C&S

Clinical note: Helps guide antimicrobial therapy.

C&S = culture plus antibiotic sensitivity.
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Lab Values

Differential

White blood cell breakdown

A lab report showing percentages or counts of different white blood cell types.

Also known as: WBC differential

Clinical note: Helps evaluate infection, inflammation, allergy, and blood disorders.

Differential = WBC details.
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Lab Values

HCG

Pregnancy hormone

Human chorionic gonadotropin is a hormone measured in pregnancy testing.

Also known as: Human chorionic gonadotropin

Clinical note: Can be tested in urine or blood.

HCG = pregnancy hormone.
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Lab Values

LDH

Cell injury enzyme

Lactate dehydrogenase is an enzyme that can rise with tissue damage or hemolysis.

Also known as: Lactate dehydrogenase

Clinical note: Nonspecific and interpreted with other findings.

LDH = tissue damage clue.
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Lab Values

Prealbumin

Nutrition-related protein marker

A blood protein sometimes used as one clue in nutrition assessment.

Also known as: Transthyretin

Clinical note: Affected by inflammation and illness, so context matters.

Prealbumin = nutrition context clue.
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Lab Values

Uric acid

Purine breakdown product

A blood chemical that can be elevated in gout or certain metabolic states.

Also known as: Urate

Clinical note: Interpreted with symptoms and clinical history.

Uric acid = gout clue.
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Lab Values

Urine culture

Test for urinary infection organism

A lab test that checks urine for bacteria or other organisms.

Also known as: UCx

Clinical note: Used when urinary tract infection is suspected.

Urine culture looks for urinary germs.
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Lab Values

Vancomycin trough

Medication level before next dose

A blood level drawn before the next vancomycin dose to help monitor therapy.

Also known as: Vanco trough

Clinical note: Used to help balance effectiveness and toxicity risk.

Trough = lowest level before next dose.
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ICU

CRRT

Continuous renal replacement therapy

A slow continuous dialysis therapy used for critically ill patients who may not tolerate standard dialysis.

Also known as: Continuous dialysis

Clinical note: Often used in ICU patients with kidney failure and unstable blood pressure.

CRRT = continuous ICU dialysis.
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ICU

CVP

Central venous pressure

A pressure measurement from the central venous system that can reflect right-sided filling pressure.

Also known as: Central venous pressure

Clinical note: Interpreted with the full patient picture, not alone.

CVP = central venous pressure.
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ICU

ICP monitoring

Intracranial pressure monitoring

Monitoring pressure inside the skull around the brain.

Also known as: Brain pressure monitoring

Clinical note: Used in selected neurologic injury or critical care situations.

ICP = pressure inside skull.
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ICU

Norepinephrine

Vasopressor medication

A medication commonly used to support blood pressure in shock.

Also known as: Levophed

Clinical note: Requires close monitoring and IV safety precautions.

Norepi raises vascular tone.
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ICU

Dobutamine

Inotrope medication

A medication that can increase heart contractility and cardiac output.

Also known as: Inotrope

Clinical note: Used in selected heart failure or shock states under close monitoring.

Dobutamine boosts pump strength.
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ICU

Vasopressin

Hormone and vasopressor medication

A medication that can support blood pressure by causing blood vessel constriction and water retention effects.

Also known as: Antidiuretic hormone medication

Clinical note: Used in selected shock states under protocol.

Vasopressin squeezes vessels and holds water.
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ICU

Sedation vacation

Temporary sedation pause

A planned reduction or pause in sedation to assess neurologic status or readiness for weaning.

Also known as: Daily awakening trial

Clinical note: Used in some ventilated patients according to ICU protocol.

Sedation vacation = wake-up check.
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ICU

Spontaneous breathing trial

Ventilator weaning test

A trial to assess whether a patient can breathe with less ventilator support.

Also known as: SBT

Clinical note: Often part of readiness assessment for extubation.

SBT = can they breathe on their own?
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ICU

Weaning trial

Reduced support trial

A process of reducing ventilator or medication support to see if the patient can tolerate less assistance.

Also known as: Wean

Clinical note: Used with ventilators, oxygen, pressors, and other supports depending context.

Weaning = slowly reduce support.
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ICU

Swan-Ganz catheter

Pulmonary artery catheter

A specialized catheter used to measure pressures in the heart and lungs.

Also known as: Pulmonary artery catheter

Clinical note: Used in selected critical care or cardiac cases.

Swan-Ganz measures advanced pressures.
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Surgery

Circulating nurse

Operating room nurse role

An OR nurse who manages the room, documentation, supplies, safety checks, and coordination outside the sterile field.

Also known as: Circulator

Clinical note: Supports patient safety and sterile workflow during surgery.

Circulator moves around the room.
Surgery

Scrub tech

Sterile field team member

A surgical team member who handles sterile instruments and supplies during a procedure.

Also known as: Surgical technologist

Clinical note: Works within the sterile field to support the surgeon.

Scrub tech = sterile instruments.
Surgery

Mayo stand

Sterile instrument stand

A small adjustable stand used to hold instruments during surgery.

Also known as: Instrument stand

Clinical note: Part of the sterile field setup.

Mayo stand = instruments close by.
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Surgery

Back table

Sterile supply table

A large sterile table used to organize instruments and supplies for surgery.

Also known as: OR back table

Clinical note: Supports procedure workflow and sterile organization.

Back table = sterile setup table.
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Surgery

Electrocautery

Heat-based tissue cautery

Use of heat or electrical energy to cut tissue or control bleeding.

Also known as: Cautery

Clinical note: Often used for hemostasis during procedures.

Cautery controls bleeding.
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Surgery

Hemostasis

Stopping bleeding

The process of stopping bleeding through clotting, pressure, cautery, or other methods.

Also known as: Bleeding control

Clinical note: Essential in trauma, surgery, and wound care.

Hemo = blood; stasis = stop.
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Emergency Medicine

FAST exam

Focused trauma ultrasound exam

A rapid ultrasound exam used in trauma to look for internal bleeding or fluid.

Also known as: Focused assessment with sonography in trauma

Clinical note: Used as part of trauma evaluation by trained clinicians.

FAST = quick trauma ultrasound.
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Emergency Medicine

Mass casualty incident

Event with many injured people

An event where the number of patients may overwhelm available resources.

Also known as: MCI

Clinical note: Requires triage, coordination, and resource prioritization.

MCI = many patients at once.
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Emergency Medicine

GSW

Gunshot wound

An injury caused by a projectile from a firearm.

Also known as: Gunshot wound

Clinical note: Assessment focuses on bleeding, airway, breathing, circulation, and injury path.

GSW = gunshot wound.
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Emergency Medicine

Blunt trauma

Injury without penetrating object

Trauma caused by impact or force without an object entering the body.

Also known as: Impact trauma

Clinical note: Can still cause severe internal injury.

Blunt trauma = force injury.
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Emergency Medicine

Penetrating trauma

Injury from object entering body

Trauma where an object pierces the skin or body cavity.

Also known as: Piercing trauma

Clinical note: Bleeding control and injury path assessment are priorities.

Penetrating trauma enters body.
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Emergency Medicine

Tourniquet

Device to stop severe bleeding

A device applied to a limb to control life-threatening bleeding.

Also known as: Bleeding control device

Clinical note: Used when direct pressure is not enough for severe extremity hemorrhage.

Tourniquet stops limb bleeding.
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Emergency Medicine

Needle decompression

Emergency chest pressure relief

A procedure to relieve suspected tension pneumothorax by releasing trapped air.

Also known as: Chest needle decompression

Clinical note: Performed by trained clinicians in emergency settings.

Needle decompression releases trapped chest air.
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Emergency Medicine

Primary survey

First trauma assessment

A rapid assessment of life threats using airway, breathing, circulation, disability, and exposure.

Also known as: ABCDE assessment

Clinical note: Used to identify immediate threats first.

Primary survey = find killers first.
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Emergency Medicine

Secondary survey

Detailed trauma assessment

A more complete head-to-toe assessment after immediate life threats are addressed.

Also known as: Detailed trauma exam

Clinical note: Looks for additional injuries and history.

Secondary survey = full injury search.
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Imaging

PACS

Medical image storage system

A system used to store, retrieve, and view medical images.

Also known as: Picture archiving and communication system

Clinical note: Used by radiology and clinical teams to access imaging studies.

PACS = image archive.
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Imaging

DICOM

Medical imaging communication standard

A standard used for storing and transmitting medical images and related data.

Also known as: Digital Imaging and Communications in Medicine

Clinical note: Important for interoperability between imaging devices and systems.

DICOM lets imaging systems talk.
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Imaging

CT angiography

CT scan of blood vessels

A CT imaging study using contrast to evaluate blood vessels.

Also known as: CTA

Clinical note: Used to assess vessels, clots, aneurysms, or vascular injury.

CTA = CT of arteries/vessels.
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Imaging

PET scan

Metabolic imaging test

An imaging test that uses radioactive tracer to show metabolic activity.

Also known as: Positron emission tomography

Clinical note: Often used in oncology, neurology, and cardiology contexts.

PET shows metabolic activity.
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Imaging

Nuclear medicine

Imaging with radioactive tracers

A specialty using small amounts of radioactive material to evaluate organ function or disease.

Also known as: Nuc med

Clinical note: Shows function as well as structure in selected tests.

Nuclear medicine tracks tracer activity.
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Imaging

Bone scan

Nuclear medicine bone test

An imaging test that uses tracer to evaluate bone activity.

Also known as: Skeletal scintigraphy

Clinical note: Can detect fractures, infection, or cancer spread depending context.

Bone scan shows active bone changes.
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Imaging

MRI safety zone

MRI area safety classification

A designated area around MRI used to control safety risks from the magnetic field.

Also known as: MRI zones

Clinical note: Important because ferromagnetic objects can be dangerous near MRI.

MRI zones protect from magnet risk.
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Imaging

Contrast extravasation

Contrast leaking into tissue

Leakage of IV contrast out of a vein into surrounding tissue.

Also known as: Contrast infiltration

Clinical note: Can cause swelling, pain, and tissue injury depending amount and type.

Extravasation = fluid outside vessel.
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Lab Values

CK-MB

Cardiac enzyme marker

A creatine kinase fraction that can be associated with heart muscle injury.

Also known as: Creatine kinase MB

Clinical note: Troponin is more commonly emphasized now, but CK-MB may appear in learning or older protocols.

CK-MB = cardiac muscle enzyme clue.
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Lab Values

Iron saturation

Percent of iron-binding sites filled

A lab value showing how much transferrin is carrying iron.

Also known as: Transferrin saturation

Clinical note: Used in iron deficiency or overload evaluation.

Iron saturation = how full iron transport is.
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Lab Values

TIBC

Total iron-binding capacity

A lab test that estimates the blood's capacity to bind iron.

Also known as: Iron binding capacity

Clinical note: Often reviewed with ferritin, iron, and saturation.

TIBC = iron seats available.
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Lab Values

Beta-hydroxybutyrate

Major blood ketone

A ketone body often measured during suspected diabetic ketoacidosis.

Also known as: BHB

Clinical note: Can be more useful than urine ketones in some DKA assessment.

BHB = key DKA ketone.
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Lab Values

Ionized calcium

Active calcium level

The free biologically active form of calcium in the blood.

Also known as: Free calcium

Clinical note: Can be important when albumin or acid-base status affects total calcium interpretation.

Ionized calcium = active calcium.
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Lab Values

Absolute neutrophil count

Number of neutrophils

A calculated count of infection-fighting neutrophils.

Also known as: ANC

Clinical note: Important for neutropenia and infection risk assessment.

ANC = neutrophil count.
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Biomedical

Biomedical engineer

Healthcare technology professional

A professional who applies engineering principles to healthcare technology, devices, and systems.

Also known as: Clinical engineer

Clinical note: May work in device design, clinical engineering, safety, or equipment management.

Biomedical engineer connects healthcare and engineering.
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Biomedical

IEC 60601

Medical electrical equipment safety standard

An international safety standard family for medical electrical equipment.

Also known as: Medical device safety standard

Clinical note: Important in medical equipment design, testing, and compliance.

IEC 60601 = medical electrical safety.
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Biomedical

ESU analyzer

Electrosurgical unit test device

A test device used to evaluate electrosurgical unit output and safety.

Also known as: Electrosurgery analyzer

Clinical note: Used by biomedical/clinical engineering teams for testing ESUs.

ESU analyzer checks surgical energy.
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Biomedical

Defibrillator analyzer

Defibrillator test device

A device used to test defibrillator energy delivery and performance.

Also known as: Defib tester

Clinical note: Used in preventive maintenance and troubleshooting.

Defib analyzer checks shock output.
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Biomedical

Infusion pump analyzer

Pump test device

A device used to test infusion pump flow rate, volume, and occlusion performance.

Also known as: Pump analyzer

Clinical note: Used to verify infusion pump function and accuracy.

Pump analyzer checks delivery.
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Biomedical

NIBP analyzer

Blood pressure simulator/tester

A device used to test noninvasive blood pressure monitor performance.

Also known as: NIBP tester

Clinical note: Used in patient monitor and vital signs equipment testing.

NIBP analyzer tests BP measurement.
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Biomedical

Ventilator analyzer

Ventilator test device

A device used to test ventilator flow, pressure, volume, and oxygen parameters.

Also known as: Vent tester

Clinical note: Used by biomedical teams to verify ventilator performance.

Vent analyzer checks breathing machine output.
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Biomedical

Risk-based maintenance

Maintenance based on equipment risk

A maintenance strategy that considers device risk, use, history, and impact.

Also known as: RBM

Clinical note: Helps prioritize maintenance resources while supporting safety.

Risk-based maintenance focuses on risk.
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Biomedical

Preventive maintenance interval

Scheduled time between PMs

The planned frequency for preventive maintenance on equipment.

Also known as: PM interval

Clinical note: Intervals may be based on manufacturer guidance, policy, risk, and history.

PM interval = how often to check.
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Biomedical

Leakage tester

Electrical safety test device

A device used to measure leakage current and related electrical safety parameters.

Also known as: Electrical safety analyzer

Clinical note: Used during medical equipment safety testing.

Leakage tester checks stray current.
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Emergency Medicine

Intraosseous access

Access through bone marrow

Emergency vascular access placed into bone marrow when IV access is difficult.

Also known as: IO access

Clinical note: Used by trained clinicians in urgent or emergency situations.

IO = into bone.
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Medical Equipment

IO needle

Needle for intraosseous access

A needle used to access bone marrow for emergency fluids or medications.

Also known as: Intraosseous needle

Clinical note: Used when rapid access is needed and IV access is not available.

IO needle goes into bone.
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Medical Equipment

Cervical collar

Neck immobilization device

A device used to limit neck movement after suspected cervical spine injury.

Also known as: C-collar

Clinical note: Used in selected trauma situations.

C-collar protects neck movement.
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Emergency Medicine

Log roll

Coordinated patient turning method

A technique for turning a patient while keeping the spine aligned.

Also known as: Spinal alignment turn

Clinical note: Often used in trauma assessment and back checks.

Log roll keeps alignment.
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Emergency Medicine

ABCDE

Emergency assessment sequence

Airway, Breathing, Circulation, Disability, Exposure.

Also known as: Primary survey framework

Clinical note: A structured way to assess unstable patients.

ABCDE = emergency priorities.
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