| AA | abdominal aorta; acetic acid; achievement age; active alcoholic; active assistive [range of motion];... |
|---|---|
| AAROM | active assertive range of motion; active-assisted range of motion |
| AS | acetylstrophanthidin; acidified serum; acoustic schwannoma; acoustic stimulation; active sarcoidosis... |
| AFB | Acid-Fast Bacillus(Type that causes Tuberculosis) |
| NTA | 1) Naso-Tracheal Aspiration 2) National Tuberculosis Association |