Medical Abbreviation Flashcards: Common Clinical Terms & Acronyms
Study common clinical abbreviations across 90 flashcards with concise expansions, plain-English context, and six ambiguity and safety checks—for terminology review, not clinical decisions.
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Medical Abbreviation Flashcards: Common Clinical Terms & Acronyms
These 90 English flashcards build recognition of common terms seen in introductory nursing, EMT, medical-assisting, allied-health, and medical-terminology study.
What the cards practice
- 80 abbreviation-to-expansion mappings, each followed by one short plain-English meaning or context note: 22 diagnostic or laboratory terms, 32 conditions or infections, and 26 care, anatomy, or documentation terms.
- Four bounded reverse mappings where producing the exact abbreviation is common, useful, and comparatively unambiguous: blood pressure → BP, cardiopulmonary resuscitation → CPR, complete blood count → CBC, and magnetic resonance imaging → MRI.
- Six context and safety checks covering ambiguity, U/u, IU, QD/QOD variants, decimal notation, and MS/MSO4/MgSO4.
Plausible reverse prompts for BID, TID, PRN, U/u, IU, QD/QOD, MS, MSO4, and MgSO4 are deliberately excluded. Producing those forms can be unsafe, ambiguous, or dependent on institutional policy. The deck teaches BID, TID, and PRN only for recognition and gives plain-language replacements for prohibited forms. It also excludes dosing, treatment decisions, patient-specific advice, and institution-specific shorthand.
Learning order
The sequence alternates diagnostic tests, conditions, care terms, and safety checks instead of presenting one long alphabetical run. The four forward/reverse pairs are separated by at least three unrelated cards. Easily confused laboratory, blood-cell, viral, gastrointestinal, and vascular terms are spaced apart so nearby cards do not give away the answer.
Sources and provenance
The abbreviation inventory and expansions were checked against MedlinePlus Appendix B: Some Common Abbreviations, published by the U.S. National Library of Medicine. Safety wording was checked against the Joint Commission standards FAQ on abbreviations and dose designations, its linked Official “Do Not Use” list, and the ISMP List of Error-Prone Abbreviations, Symbols, and Dose Designations. Source review date: August 31, 2026.
The questions, answers, selection, sequence, metadata, and generated cover were independently created from common knowledge and original work. No competitor cards, source prose, logos, trade dress, or third-party media were copied.
The Common knowledge · CC0 1.0 label applies to the original wording, organization, metadata, and generated cover to the extent applicable rights exist. It does not claim ownership of medical facts or third-party names.
This is an independent, unofficial study resource. It is not affiliated with or endorsed by MedlinePlus, the National Library of Medicine, the Joint Commission, or ISMP. It supports terminology study and must not be used to make clinical decisions or replace current institutional policy.
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Kaart 1
Küsimus
Can a clinical abbreviation be assumed to have one universal meaning?
Vastus
No. Meanings can change with context and local standards; use the organization’s standardized terminology and spell a term out when ambiguity could affect care.
Kaart 2
Küsimus
What does ABG mean in a clinical context?
Vastus
Arterial blood gas. It is a blood test commonly used when evaluating lung or breathing problems.
Kaart 3
Küsimus
What does AFib mean in a cardiac context?
Vastus
Atrial fibrillation. It is an irregular heart rhythm.
Kaart 4
Küsimus
What does BP mean in a clinical context?
Vastus
Blood pressure. It describes the force of circulating blood against artery walls.
Kaart 5
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What does ADHD mean in a clinical context?
Vastus
Attention-deficit/hyperactivity disorder. It affects attention and/or control of activity and impulses.
Kaart 6
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What does ALP mean on a laboratory report?
Vastus
Alkaline phosphatase. This blood-test marker can be reviewed when evaluating liver or bone problems.
Kaart 7
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What does ACL mean in a knee-injury context?
Vastus
Anterior cruciate ligament. It is a stabilizing ligament in the knee that is commonly injured.
Kaart 8
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What does AIDS mean in a clinical context?
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Acquired immunodeficiency syndrome. It is the most advanced stage of HIV infection.
Kaart 9
Küsimus
What does BMI mean in a health-measurement context?
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Body mass index. It is a screening measure calculated from height and weight.
Kaart 10
Küsimus
In medication-related documentation, what should replace U or u for “unit”?
Vastus
Write “unit” in full. U or u can be mistaken for 0, 4, or cc.
Kaart 11
Küsimus
What does ALT mean on a laboratory report?
Vastus
Alanine aminotransferase. This blood-test marker is commonly reviewed when evaluating the liver.
Kaart 12
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What does ALS mean in a neurology context?
Vastus
Amyotrophic lateral sclerosis. It is a progressive disease that damages nerve cells controlling voluntary muscles.
Kaart 13
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What does ACE mean in “ACE inhibitor”?
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Angiotensin-converting enzyme. An ACE inhibitor blocks this enzyme.
Kaart 14
Küsimus
What does AMD mean in an eye-care context?
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Age-related macular degeneration. It is an eye disease that damages central vision.
Kaart 15
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What does AST mean on a laboratory report?
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Aspartate aminotransferase. This blood-test marker is commonly reviewed when evaluating the liver.
Kaart 16
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What does CABG mean in a cardiac-surgery context?
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Coronary artery bypass graft. It is heart surgery that routes blood around blocked coronary arteries.
Kaart 17
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What does AVM mean in a vascular context?
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Arteriovenous malformation. It is an abnormal connection between arteries and veins.
Kaart 18
Küsimus
What does CNS mean in an anatomy context?
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Central nervous system. It consists of the brain and spinal cord.
Kaart 19
Küsimus
In medication-related documentation, what should replace IU?
Vastus
Write “International Unit” in full. IU can be mistaken for IV or the number 10.
Kaart 20
Küsimus
What does BUN mean on a laboratory report?
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Blood urea nitrogen. It is a blood-test measurement commonly reviewed when evaluating kidney function.
Kaart 21
Küsimus
What does SIDS mean in a pediatric context?
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Sudden infant death syndrome. It describes the sudden unexplained death of an infant younger than one year after investigation.
Kaart 22
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What does CPR mean in an emergency-care context?
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Cardiopulmonary resuscitation. It is an emergency procedure used when breathing or circulation has stopped.
Kaart 23
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What does CAD mean in a cardiac context?
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Coronary artery disease. It is disease caused by plaque buildup in the arteries that supply the heart.
Kaart 24
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What does CA-125 mean on a laboratory report?
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Cancer antigen 125. It is a blood-test marker used in some cancer-care contexts; it is not a diagnosis by itself.
Kaart 25
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What does CSF mean in a neurology context?
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Cerebrospinal fluid. It is the fluid surrounding the brain and spinal cord.
Kaart 26
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What does PUD mean in a gastrointestinal context?
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Peptic ulcer disease. It involves sores in the lining of the stomach or the first part of the small intestine.
Kaart 27
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What does Dx mean in clinical documentation?
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Diagnosis. It is the identification of a disease or condition.
Kaart 28
Küsimus
What should replace QD and QOD variants in medication-related documentation?
Vastus
Write “daily” and “every other day” in full. QD and QOD variants can be misread.
Kaart 29
Küsimus
What does CBC mean on a laboratory order?
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Complete blood count. It is a blood test that measures several properties of blood cells.
Kaart 30
Küsimus
What does CMV mean in an infectious-disease context?
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Cytomegalovirus. It is a common virus in the herpesvirus family.
Kaart 31
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What does ENT mean in a clinical-service context?
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Ear, nose, and throat. It refers to the clinical field also called otolaryngology.
Kaart 32
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What does COPD mean in a respiratory context?
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Chronic obstructive pulmonary disease. It is a long-term lung disease that limits airflow and makes breathing difficult.
Kaart 33
Küsimus
What does CRP mean on a laboratory report?
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C-reactive protein. It is a blood-test marker related to inflammation.
Kaart 34
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What does GI mean in an anatomy or clinical context?
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Gastrointestinal. It refers to the digestive tract and related care.
Kaart 35
Küsimus
What does CVA mean in a neurologic context?
Vastus
Cerebrovascular accident. It is a traditional clinical term for a stroke.
Kaart 36
Küsimus
What does GU mean in an anatomy or clinical context?
Vastus
Genitourinary. It refers to the urinary and reproductive organs.
Kaart 37
Küsimus
What is the safer way to write decimal values in medication-related documentation?
Vastus
Use a leading zero for a value below one, and do not use a trailing zero in medication-related documentation. A missed decimal point can change the value.
Kaart 38
Küsimus
What does CXR mean in an imaging context?
Vastus
Chest X-ray. It is a radiograph of the chest, commonly used to view the lungs and nearby structures.
Kaart 39
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What does DVT mean in a vascular context?
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Deep-vein thrombosis. It is a blood clot in a deep vein, usually in a leg.
Kaart 40
Küsimus
What does ICD mean in a cardiac-device context?
Vastus
Implantable cardioverter-defibrillator. It is a device that monitors heart rhythm and can correct certain dangerous rhythms.
Kaart 41
Küsimus
What does GERD mean in a gastrointestinal context?
Vastus
Gastroesophageal reflux disease. It occurs when stomach contents repeatedly flow back into the esophagus.
Kaart 42
Küsimus
What do ECG and EKG mean in a cardiac-testing context?
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Electrocardiogram. ECG and EKG are two abbreviations for a recording of the heart’s electrical activity.
Kaart 43
Küsimus
What does ICU mean in a hospital context?
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Intensive care unit. It is a hospital unit for patients who need close monitoring and specialized care.
Kaart 44
Küsimus
What does HBV mean in an infectious-disease context?
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Hepatitis B virus. It is the virus that causes hepatitis B.
Kaart 45
Küsimus
What does IM mean as a route term?
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Intramuscular. It means within a muscle.
Kaart 46
Küsimus
Why should MS, MSO4, and MgSO4 be avoided in medication-related documentation?
Vastus
Write “morphine sulfate” or “magnesium sulfate” in full. MS is ambiguous, and MSO4 and MgSO4 can be confused with each other.
Kaart 47
Küsimus
What does ECHO mean in a cardiac-testing context?
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Echocardiogram. It uses sound waves to make images of the heart.
Kaart 48
Küsimus
What does HCV mean in an infectious-disease context?
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Hepatitis C virus. It is the virus that causes hepatitis C.
Kaart 49
Küsimus
What does IV mean as a route term?
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Intravenous. It means within a vein.
Kaart 50
Küsimus
What does MI mean in a cardiac context?
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Myocardial infarction. It is a heart attack caused by interrupted blood flow to heart muscle.
Kaart 51
Küsimus
What does EEG mean in a neurologic-testing context?
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Electroencephalogram. It records electrical activity in the brain.
Kaart 52
Küsimus
What does MMR mean in an immunization context?
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Measles, mumps, and rubella. The abbreviation commonly names the combined vaccine for these three diseases.
Kaart 53
Küsimus
What does HTN mean in a clinical context?
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Hypertension. It means high blood pressure.
Kaart 54
Küsimus
What does NG mean in “NG tube”?
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Nasogastric. An NG tube passes through the nose into the stomach.
Kaart 55
Küsimus
What does EMG mean in a muscle-testing context?
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Electromyography. It measures electrical activity in muscles.
Kaart 56
Küsimus
What does IBD mean in a gastrointestinal context?
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Inflammatory bowel disease. It is the umbrella term for Crohn’s disease and ulcerative colitis.
Kaart 57
Küsimus
What does NKDA mean in an allergy-history context?
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No known drug allergies. It records that no drug allergy is known at that time; it is not the same as “no known allergies.”
Kaart 58
Küsimus
What does HIV mean in an infectious-disease context?
Vastus
Human immunodeficiency virus. It attacks the immune system and can lead to AIDS if untreated.
Kaart 59
Küsimus
What does ESR mean on a laboratory report?
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Erythrocyte sedimentation rate. It is a blood test used as a nonspecific marker of inflammation.
Kaart 60
Küsimus
What does NSAID mean in a medication-class context?
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Nonsteroidal anti-inflammatory drug. It is a class of medicines used to reduce pain, fever, or inflammation.
Kaart 61
Küsimus
What does IBS mean in a gastrointestinal context?
Vastus
Irritable bowel syndrome. It is a disorder involving abdominal symptoms and altered bowel habits without visible digestive-tract damage.
Kaart 62
Küsimus
What does PRN mean in a medication context?
Vastus
As needed. It signals that timing depends on a stated need or condition; the abbreviation does not supply that condition by itself.
Kaart 63
Küsimus
What does TSH mean on a laboratory report?
Vastus
Thyroid-stimulating hormone. It is a blood-test marker commonly used when evaluating thyroid function.
Kaart 64
Küsimus
What does MRSA mean in an infectious-disease context?
Vastus
Methicillin-resistant Staphylococcus aureus. It is a type of staph bacterium resistant to several antibiotics.
Kaart 65
Küsimus
What does GFR mean in a kidney-testing context?
Vastus
Glomerular filtration rate. It estimates how much blood the kidneys’ filtering units process over time.
Kaart 66
Küsimus
What does SOB mean in clinical documentation?
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Shortness of breath. It describes difficulty breathing or feeling unable to get enough air.
Kaart 67
Küsimus
What does OCD mean in a mental-health context?
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Obsessive-compulsive disorder. It involves unwanted recurring thoughts and/or repetitive behaviors.
Kaart 68
Küsimus
What does HCT mean on a laboratory report?
Vastus
Hematocrit. It is the proportion of blood volume made up of red blood cells.
Kaart 69
Küsimus
What does BID mean in a medication context?
Vastus
Twice a day. This deck teaches recognition only; real medication instructions should follow current local standards and use plain language when required.
Kaart 70
Küsimus
What does PAD mean in a vascular context?
Vastus
Peripheral arterial disease. It is narrowing or blockage of arteries outside the heart, often affecting the legs.
Kaart 71
Küsimus
What does PSA mean on a laboratory report?
Vastus
Prostate-specific antigen. It is a blood-test marker associated with the prostate; the result is not a diagnosis by itself.
Kaart 72
Küsimus
What does RA mean in a rheumatology context?
Vastus
Rheumatoid arthritis. It is an autoimmune disease that causes joint inflammation.
Kaart 73
Küsimus
What does PID mean in a reproductive-health context?
Vastus
Pelvic inflammatory disease. It is an infection of the female reproductive organs.
Kaart 74
Küsimus
What does LFT mean on a laboratory order?
Vastus
Liver function tests. It refers to a group of blood tests used to assess the liver.
Kaart 75
Küsimus
What does RBC mean in a blood-cell context?
Vastus
Red blood cell. It is a blood cell that carries oxygen using hemoglobin.
Kaart 76
Küsimus
What does TID mean in a medication context?
Vastus
Three times a day. This deck teaches recognition only; real medication instructions should follow current local standards and use plain language when required.
Kaart 77
Küsimus
What does MRI mean in an imaging context?
Vastus
Magnetic resonance imaging. It uses a strong magnetic field and radio waves to create detailed images.
Kaart 78
Küsimus
Which common abbreviation means “cardiopulmonary resuscitation”?
Vastus
CPR.
Kaart 79
Küsimus
What does RSV mean in an infectious-disease context?
Vastus
Respiratory syncytial virus. It commonly causes respiratory infections and can be serious in infants and some older or high-risk adults.
Kaart 80
Küsimus
What does MS mean in a neurology context?
Vastus
Multiple sclerosis. It is a disease in which the immune system damages the protective covering of nerves. Outside this context, MS is ambiguous.
Kaart 81
Küsimus
What does PFT mean in a respiratory-testing context?
Vastus
Pulmonary function test. The term covers tests that measure how well the lungs work.
Kaart 82
Küsimus
Which common abbreviation means “blood pressure”?
Vastus
BP.
Kaart 83
Küsimus
What does SLE mean in a rheumatology context?
Vastus
Systemic lupus erythematosus. It is the systemic form of lupus, an autoimmune disease.
Kaart 84
Küsimus
Which common abbreviation means “complete blood count”?
Vastus
CBC.
Kaart 85
Küsimus
What does WBC mean in a blood-cell context?
Vastus
White blood cell. It is an immune-system cell that helps the body respond to infection and other threats.
Kaart 86
Küsimus
What does TB mean in an infectious-disease context?
Vastus
Tuberculosis. It is an infection caused by Mycobacterium tuberculosis, most often affecting the lungs.
Kaart 87
Küsimus
Which common abbreviation means “magnetic resonance imaging”?
Vastus
MRI.
Kaart 88
Küsimus
What does TIA mean in a neurologic context?
Vastus
Transient ischemic attack. It is a brief stroke-like episode caused by temporary interruption of blood flow to part of the brain.
Kaart 89
Küsimus
What does HGB mean on a laboratory report?
Vastus
Hemoglobin. It is the oxygen-carrying protein in red blood cells and a common blood-test measurement.
Kaart 90
Küsimus
What does UTI mean in a urinary context?
Vastus
Urinary tract infection. It is an infection in part of the urinary system.
90 kaarti
Medical Abbreviation Flashcards: Common Clinical Terms & Acronyms
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