| PSW | primary surgical ward; positive sharp wave; psychiatric social worker |
|---|---|
| PVP | penicillin V potassium; peripheral vein plasma; peripheral venous pressure; polyvinylpyrrolidone; po... |
| R' | in electrocardiography, the second positive deflection during the QRS complex |
| R+ | Rinne test positive |
| +R | Rinne test positive |