| EM | early memory; ejection murmur; electromagnetic; electron micrograph; electron microscopy, electron m... |
|---|---|
| ISIS | image selected in vivo spectroscopy; imaging science and information system; information system-imag... |
| EI | Edmonton injector; electrolyte imbalance; electron impact; electron ionization; emotionally impaired... |
| E/M | electron microscope, electron microscopy; evaluation and management |
| MDS | Master of Dental Surgery; maternal deprivation syndrome; medical data screening; medical data system... |