| VDD | atrial synchronous ventricular inhibited [pacemaker]; vitamin D-dependent |
|---|---|
| VVI | ventricular inhibited [pacemaker]; vocal velocity index |
| VVT | ventricular triggered [pacemaker] |
| WAP | wandering atrial pacemaker |
| Sed. Rate | Sedimentation Rate; ħ° ¼Óµµ = SR |