| RUPV | right upper pulmonary vein |
|---|---|
| RV | random variable; rat virus; Rauscher virus; rectovaginal; reinforcement value; renal vein; residual ... |
| RVPRA | renal vein plasma renin activity |
| RVRA | renal vein rein activity; renal venous renin assay |
| RVRC | renal vein renin concentration |