| H&S | hemorrhage and shock; hysterectomy and sterilization |
|---|---|
| HSE | herpes simplex encephalitis; hemorrhagic shock and encephalopathy |
| HSES | hemorrhagic shock-encephalopathy syndrome |
| IPS | idiopathic pain syndrome; idiopathic postprandial syndrome; inches per second; infundibular pulmonar... |
| IST | inappropriate sinus tachycardia; insulin sensitivity test; insulin shock therapy; International Soci... |