Welcome to the MTWorld free resource on medical abbreviations.
We have gathered the most common medical abbreviations and
made them available for your use on our website. Although
these standard medical abbreviations have been designed with
medical transcription in mind, they can also benefit non medical
transcriptionists and anyone else in a healthcare or medical
career field who would find this information useful.
Abbreviation |
Meaning |
| A |
| TOP |
| A&P |
Auscultation and percussion |
| A&P |
Anterior and posterior |
| A-fib |
Atrial fibrillation |
| a.c. |
Before meals |
| A/a |
Alveolar-arterial oxygen gradient |
| AAA |
Abdominal aortic aneurysm |
| AB / ab |
Abortion |
| ABCs |
Airway, breathing, circulation |
| ABG |
Arterial blood gas |
| ABO |
A system of classifying blood groups |
| AC |
Acromioclavicular |
| AC |
Abdominal Circumference |
| ACE |
Angiotensin converting enzyme |
| ACL |
Anterior cruciate ligament |
| ACLS |
Advanced Cardiac Life Support |
| ACTH |
Adrenocorticotropic hormone, corticotropin |
| AD |
Alzheimer's dementia or disease |
| ad lib |
As desired |
| ADH |
Antidiuretic hormone |
| ADL |
Activities of daily living |
| AFB |
Acid-fast bacilli |
| AFL |
Atrial flutter |
| AFP |
Alpha-fetoprotein |
| AFV |
Amniotic fluid volume |
| AI |
Artificial Insemination |
| AI |
Amnioinfusion |
| AIDS |
Acquired immunodeficiency syndrome |
| AKA |
Above knee amputation |
| ALL |
Acute lymphocytic leukemia |
| ALT |
Alanine aminotransferase |
| AMA |
Against medical advice |
| ANA |
Antinuclear antibody |
| AP |
Anteroposterior |
| appy |
Appendectomy |
| APTT |
Activated partial thromboplastin |
| AQ |
Water |
| ARC |
AIDS-related complex |
| ARDS |
Adult respiratory distress syndrome |
| ARF |
Acute renal failure |
| ASAP |
As soon as possible |
| ASHD |
Atherosclerotic heart disease |
| ASO |
Antistreptolysin-O |
| AST |
Aspartate aminotransferase |
| ATN |
Acute tubular necrosis |
| ATNC |
Atraumatic, normocephalic |
| AV |
Arteriovenous, atrioventricular |
| AVB |
Atrioventricular block |
| AVM |
Arteriovenous malformation |
| AVN |
Atrioventricular node |
| AVR |
Aortic valve replacement |
