| EO | eosinophil; ethylene oxide; eyes open |
|---|---|
| Eo | skin dose |
| EOA | effective orifice area; erosive osteoarthritis; esophageal obturator airway; examination, opinion, and advice |
| EOAE | Evoked Oto-Acoustic Emission test |
| EOB | emergency observation bed; explanation of benefits |
| EOCA | early onset cerebellar ataxia |
| EOD | entry on duty; every other day |
| EOF | end of file |
| EOG | Electro-Oculo-Gram |
| EOG | electro-oculogram, electro-oculography; electro-olfactogram, electro-olfactography |