| ADC | AIDS Dementia Complex; AIDS 치매 복합 |
|---|---|
| ARC | AIDS Related Complex; AIDS 관련 복합 |
| AAO | American Academy of Osteopathy; American Academy of Ophthalmology; American Academy of Optometry; Am... |
| ACO | acute coronary occlusion; alert, cooperative, and oriented; anodal closure odor |
| A&O, A/O | alert and oriented |