| PEEP | positive end-expiratory pressure, peak end-expiratory pressure |
|---|---|
| PW | peristaltic wave; plantar wart; posterior wall [of the heart]; pressure wave; psychological warfare;... |
| RAP | recurrent abdominal pain; regression-associated protein; renal artery pressure; resident assessment ... |
| RVP | red veterinary petrolatum; resting venous pressure; right ventricular pressure |
| SAP | sensory action potential; serum acid phosphatase; serum alkaline phosphatase; serum amyloid P; situs... |