| Abbreviation | Definition |
|---|---|
| EI | Exercise-Induced |
| EI | Extensor Indicis |
| EI | External Intercostal |
| EIA | EnteroInsular Axis |
| EIA | Exercise Induced Asthma |
| EIA | External Iliac Artery |
| EIB | Exercise Induced Bronchospasm |
| EID | Exercise Intolerance Disorder |
| EIEC | Enteroinvasive Escherichia Coli |
| EIF | Echogenic Intracardiac Focus |
| EIF | Eukaryotic Initiation Factor |
| EIPL | Enzymology at Interfaces and Physiology of Lipolysis |
| EIS | Epidemic Intelligence Service |
| EJ | Elbow jerk |
| EKG | ElectrocardioGram (also ECG) |
| EL | Elbow |
| EL | Elevated Liver |
| ELECT | Electrolytes |
| ELF | Extend Legs Forward |
| ELF | Eyes, Lips, and Face |