| Abbreviation | Definition |
|---|---|
| EF | Ephedrine Free |
| EF | Epidermal Fragments |
| EF | Exposure Factor |
| EFA | Essential Fatty Acid |
| EFA | Essential Fatty Acids |
| EFAS | Encephalic Frequency Amplitude Scanner |
| EFPO | Educating Future Physicians for Ontario |
| EFT | Endometrial Function Test |
| EGA | Estimated Gestational Age |
| EGCG | epigallocatechin gallate |
| EGF | Epidermal Growth Factor |
| EGF | Epithelial Growth Factor |
| EGTA | Esophageal gastric tube airway |
| EHBD | Extra Hepatic Biliary Duct |
| EHL | Extensor Hallucis Longus |
| EHRS | European Histamine Research Society |
| EI | Environmental Illness |
| EI | Erythema Induratum |
| EI | Erythema Infectiosum |
| EI | Evans Index |