| PJT | paroxysmal junctional tachycardia |
|---|---|
| PND | paroxysmal nocturnal dyspnea; partial neck dissection; postnasal drainage; postnasal drip; postnatal... |
| PNH | paroxysmal nocturnal hemoglobinuria; polynuclear hydrocarbon |
| PST | pancreatic suppression test; paroxysmal supraventricular tachycardia; penicillin, streptomycin, and ... |
| PSVT | paroxysmal supraventricular tachycardia |