| AIMS | Anaesthesia Information Management System |
|---|---|
| AIMS | Australian Incident Monitoring Study |
| AIMS2 | Arthritis Impact Measurement Scale |
| AIN | Acute interstitial nephritis |
| AIN | Anal intraepithelial neoplasia |
| AIN | Autoimmune neutropenia |
| aiNa | Intracellular Na activity |
| AIOD | aorto-iliac occlusive disease |
| AION | Anterior Ischemic Optic Neuropathy |
| AIP | Acute Intermittent Porphyria |