| EOA | effective orifice area; erosive osteoarthritis; esophageal obturator airway; examination, opinion, a... |
|---|---|
| OI | obturator internus; occasional insomnia; opportunistic infection; opsonic index; orgasmic impairment... |
| EC-IC bypass | Extra-Cranial Intra-Cranial bypass |
| CABG | Coronary Artery Bypass Graft |
| CPB | Cardiopulmonary Bypass |