| ETL | echo train length; expiratory threshold load |
|---|---|
| FEER | field echo with even echo rephasing |
| TOF | 1) Tetralogy Of Fallot ? CIx of Corrective Op ... |
| TOF | tetralogy of Fallot; time-of-flight; train of four [monitor]; tracheo[o]esophageal fistula |
| TE | Time to Echo |