| RV | random variable; rat virus; Rauscher virus; rectovaginal; reinforcement value; renal vein; residual ... |
|---|---|
| RVR | reduced vascular response; renal vascular resistance; repetitive ventricular response; resistance to... |
| TAPVR | total anomalous pulmonary venous return |
| VR | right arm [electrode]; valve replacement; variable ratio; vascular resistance; venous reflux; venous... |
| RTO | Return to OPD |