| OPP | osmotic pressure of plasma; oxygen partial pressure |
|---|---|
| pa-pv | pulmonary arterial pressure-pulmonary venous pressure |
| PBI | parental bonding instrument; penile pressure/brachial pressure index; protein-bound iodine |
| PCP | parachlorophenate; patient care plan; pentachlorophenol; 1-(1-phenylcyclohexyl)piperidine; periphera... |
| PEEP | positive end-expiratory pressure, peak end-expiratory pressure |