| EGS | electrogalvanic stimulation; electron gamma-shower; external guide sequence |
|---|---|
| EIMS | electron ionization mass spectrometry |
| ELS | Eaton-Lambert syndrome; electron loss spectroscopy; extended least square; extracorporeal life suppo... |
| EMC | electromagnetic compatibility; electron microscopy; emergency medical care; emergency medical coordi... |
| EMER | electromagnetic molecular electron resonance |