| IDPH | idiopathic pulmonary hemosiderosis |
|---|---|
| IPE | infectious porcine encephalomyelitis; interstitial pulmonary emphysema |
| IPS | idiopathic pain syndrome; idiopathic postprandial syndrome; inches per second; infundibular pulmonar... |
| LEOPARD | lentigines, EKG abnormalities, ocular hypertelorism, pulmonary stenosis, abnormalities of genitalia,... |
| LLPV | left lower pulmonary vein |