| EST | electric shock threshold; electroshock therapy; endometrial sinus tumor; endoscopic sphincterectomy;... |
|---|---|
| ETL | echo train length; expiratory threshold load |
| FFT | fast Fourier transform; flicker fusion test or threshold |
| FIT | fluorescein isothiocyanate; fusion inferred threshold |
| FTC | Federal Trade Commission; follicular thyroid carcinoma; frequency threshold curve; frequency tuning ... |