| DSACT, D-SACT | direct sinoatrial conduction time |
|---|---|
| DTT | diagnostic and therapeutic team; diphtheria tetanus toxoid; direct transverse traction; dithiothreit... |
| DVIU | direct-vision internal urethrotomy |
| EDR | early diastolic relaxation; effective direct radiation; electrodermal response |
| LDAR | latex direct agglutination reaction |