| PTT | partial thromboplastin time; particle transport time; posterior tibial tendon (transfer); prothrombi... |
|---|---|
| PVR | peripheral vascular resistance; perspective volume rendering; poliovirus receptor; postvoiding resid... |
| PWM | pokeweed mitogen; pulse with modulation |
| PWV | pulse wave velocity |
| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |