| A | B |
| AMA | American Medical Association, against medical advice |
| amal | amalgam |
| amb | ambulate, walk |
| amt | amount |
| ANA | American Nurses' Association |
| ANS | autonomic nervous system |
| ant | anterior |
| AP | apical pulse |
| approx | approximately |
| aq, aqua | aqueous (water base) |
| ARC | AIDS-related complex |
| ART | accredited records technician |
| AS | left ear |
| as tol | as tolerated |
| ASA | aspirin (acetylsalicylic acid) |
| ASAP | as soon as possible |
| ASCVD | arteriosclerotic cardiovascular disease |
| ASHD | arteriosclerotic heart disease |
| AU | both ears |
| My husband's first name | Marshall |
| Where did Marshall graduate from? | Clemson |
| Where did I graduate from | USC |
| Who won the football game between Clemson and Georgia? | CLEMSON TIGERS!! |
| Who won the ballgame between USC and Georgia? | Georgia!! |
| ANP | advanced nurse practitioner |
| ARF | acute renal failure |
| AROM | active range of motion |