Medical Abbreviations and Terminology

Medical Abbreviations

Abbreviations by Categories

  • Before Meals:

    • ā: before

    • a.c.: before meals

  • Alzheimer’s Disease:

    • AD: Alzheimer’s disease

  • As Desired:

    • ad lib: as desired

  • Activities of Daily Living:

    • ADLs: Activities of daily living

  • Medical Equipment:

    • AED: Automated External Defibrillator

    • BSC: beside commode

  • Medical Associations:

    • AHA: American Heart Association

  • Amputation Types:

    • AKA: Above Knee amputation

    • BKA: Below knee amputation

  • Ambulation Terms:

    • amb: ambulate, ambulatory

  • Physical Conditioning:

    • AROM: Active range of motion

    • CBR: complete bedrest

  • Cardiovascular Terms:

    • BP, B/P: Blood Pressure

    • BPM: beats per minute

    • CHF: Congestive Heart Failure

    • CVA: cerebrovascular accident, stroke

    • MI: myocardial infarction

  • Patient Complaints:

    • c/o: complain of, in care of

  • Chronic Conditions:

    • COPD: Chronic obstructive pulmonary disease

  • Emergency Procedures:

    • CPR: cardiopulmonary resuscitation

  • Diabetes-Related Terms:

    • DM: diabetes mellitus

    • FBS: fasting blood sugar

    • FSBS: Fingerstick blood sugar

    • NCS: no concentrated sweets

  • Medical Orders and Notations:

    • DNR: do not resuscitate

    • Dx/dx: diagnosis

    • FF: force fluids

Common Abbreviations

  • General Health Terms:

    • GERD: Gastroesophageal reflux disease

    • HBV: hepatitis B virus

    • HTN: hypertension

    • HOB: Head of bed

    • HOH: hard of hearing

    • Ht: height

    • Hx: history

  • Medical Actions:

    • HS/hs: hour of sleep

    • I&O: intake and output

    • Low-Na: Low-sodium

    • Na: sodium

    • NAS: no added salt

    • NPO: nothing by mouth

    • O2: oxygen

  • Occupational Health Terms:

    • OBRA: Omnibus Budget Reconciliation Act

    • OT: occupational therapist, occupational therapy

  • Medical Timing Notations:

    • P: after

    • pc, p.c.: after meals

    • q: every

    • q2h, q3h, q4h: every 4 hours

    • qd: every day

    • qh, qhr: every hour

    • qhs: every night at bedtime

    • q.o.d: every other day

  • Miscellaneous:

    • R: respiration, rectal

    • RDT: registered dietitian

    • ROM: Range of motion

    • S&S, S/S: signs and symptoms

    • SOB: shortness of breath

    • STAT/stat: immediately

    • t.i.d., tid: three times a day

    • TKR: total knee replacement

    • T.P.R.: temperature, pulse, and respiration

    • UTI: urinary tract infection

  • Vital Signs and Measurements:

    • VS, vs: vital signs

    • w/c, W/C: wheelchair

    • wt.: weight

Prefixes, Roots, and Suffixes

Medical Prefixes and Their Meanings

  • a, an: without, not, lack of

    • Example: analgesic: without pain

  • bi: two, twice, double

    • Example: bifocal: two lenses

  • brady: slow

    • Example: bradycardia: slow pulse, heartbeat

  • dis: apart, free from

    • Example: disinfected: free from microorganisms

  • dys: bad, painful

    • Example: dysuria: painful urination

  • hyper: too much, high

    • Example: hypertension: high blood pressure

  • hypo: below, under

    • Example: hypotension: low blood pressure

  • tachy: swift, fast, rapid

    • Example: tachycardia: rapid heartbeat

Medical Roots and Their Meanings

  • brachi(o): arm

    • Example: brachial: pertaining to the arm

  • card, card(o): heart

    • Example: cardiology: study of the heart

  • cyan: blue

    • Example: cyanosis: blue, gray, purple tinge in the skin due to lack of oxygen in the blood

  • pneo/pnea: breathing

    • Example: tachypnea: rapid breathing

Common Suffixes in Medical Terminology

  • -emesis: vomiting

    • Example: hyperemesis: excessive vomiting

  • -phagia: to eat

    • Example: dysphagia: difficulty swallowing

  • -phasia: speaking

    • Example: aphasia: absence of speaking

  • -plegia: paralysis

    • Example: paraplegia: paralysis of lower portion of the body

  • -uria: condition of the urine

    • Example: dysuria: painful urination