| ECA | electrical control activity; electrocardioanalyzer; endothelial cytotoxic activity; enterobacterial ... |
|---|---|
| ECC | electrocorticogram, electrocorticography; electronic claim capture; embryonal cell carcinoma; emerge... |
| ECM | electronic claims management; embryonic chick muscle; erythema chronicum migrans; experimental cereb... |
| ECPR | external cardiopulmonary resuscitation |
| ED | early-decision [applicant]; early differentiation; ectodermal dysplasia; ectopic depolarization; eff... |