| ESMIS | Emergency Medical Services Management Information System |
|---|---|
| EU | Ehrlich unit; elementary unit; emergency unit; endotoxin unit; entropy unit; enzyme unit; esterase u... |
| EV | electronic vehicle; emergency vehicle; enterovirus; epidermodysplasia verruciformis; estradiol valer... |
| EW | emergency ward; estrogen withdrawal |
| FACEP | Fellow of the American College of Emergency Physicians |