| EBT | electron beam tomography; external beam therapy |
|---|---|
| ECT | electroconvulsive therapy; emission computed tomography; enteric coated tablet; euglobulin clot test... |
| EIT | electrical impedance tomography; erythroid iron turnover |
| HCTD | hepatic computed tomography density |
| HRCT, HR-CT | high-resolution computed tomography |