| APN | Acute Pyelo-Nephritis |
|---|---|
| APSGN | Acute Post-Streptococcal Glomerulo-Nephritis; 연쇄상 구균감염후 급성 사구체 신염 |
| AIN | acute interstitial nephritis; American Institute of Nutrition; anterior interosseous nerve |
| ACI | acceleration index; acoustic comfort index; acute cardiac ischemia; acute coronary infarction; acute... |
| AIE | acute inclusion-body encephalitis; acute infectious encephalitis; acute infective endocarditis |