Abbreviation
|
Interpretation
|
| AAA | abdominal aortic aneurysm |
| A-a gradient | alveolar to arterial gradient |
| AAD | antibiotic-associated diarrhea |
| AAO | alert, awake, and oriented |
| A&O | alert & oriented |
| AAS | acute abdominal series |
| ABD | abdomen |
| ABG | arterial blood gas |
| AC | before eating |
| ACLS | advanced cardiac life support |
| ACTH | adrenocorticotropic hormone |
| ADH | anti-diuretic hormone |
| ADR | adverse drug reaction. | acute dystonic reaction |
| ad lib | as much as needed |
| AED | antiepileptic drug |
| AF | atrial fibrillation or afebrile |
| AFB | acid-fast bacilli |
| AFP | alpha-fetoprotein |
| A /G | albumin/globulin ratio |
| AI | aortic insufficiency |
| AKA | above the knee amputation |
| ALD | alcoholic liver disease |
| ALL | acute lymphocytic leukemia |
| amb | ambulate |
| AML | acute myelogenous leukemia |
| ANA | antinuclear antibody |
| ANS | autonomic nervous system |
| AOB | alcohol on breath |
| AODM | adult onset diabetes mellitus |
| AP | anteroposterior or abdominal - perineal |
| ARDS | acute respiratory distress syndrome |
| ARF | acute renal failure |
| AS | aortic stenosis |
| ASAP | as soon as possible |
| ASCVD | atherosclerotic cardiovascular disease |
| ASD | atrial septal defect |
| ASHD | atherosclerotic heart disease |
| AV | atrioventricular |
| A-V | arteriovenous |
| A-VO2 | arteriovenous oxygen |