| PFV | physiologic full value |
|---|---|
| pK' | apparent value of a pK; negative logarithm of the dissociation constant of an acid |
| RBRVS | resource-based relative value scale |
| RV | random variable; rat virus; Rauscher virus; rectovaginal; reinforcement value; renal vein; residual ... |
| RVI | relative value index; right ventricle infarction |