| ECH | educator contact hour |
|---|---|
| ECHO | echocardiography; enteric cytopathic human orphan [virus]; Etoposide, cyclophosphamide, Adriamycin, and vincristine |
| Echo-Eg | echoencephalography |
| Echo-VM | echoventriculometry |
| EchoCG | echocardiography |
| ECHSCP | Exeter Community Health Services Computer Project |