| PPRF | Pontine Paramedian Reticular Formation |
|---|---|
| PPRF | paramedian pontine reticular formation; postpartum renal failure |
| PPROM | preterm premature rupture of fetal membranes |
| PPRP | polyadenosine diphosphate-ribose polymerase |
| PPRWP | poor precordial R-wave progression |
| PPS | Personal Preference Scale; physician, patient and society [course]; polyvalent pneumococcal polysaccharide; popliteal pterygium syndrome; postpartum sterilization; postperfusion syndrome; postpericardiotomy syndrome; postpolio syndrome; postpump syndrome; primary acquired preleukemic syndrome; prospective payment system; prospective pricing system; protein plasma substitute; pulse per second |
| PPSH | pseudovaginal perineoscrotal hypospadias |
| PPT | parietal pleural tissue; partial prothrombin time; peak-to-peak threshold; Pfeiffer-Palm-Teller [syndrome]; plant protease test; polypurine tract; postpartum thyroiditis; pulmonary platelet trapping; pulmonary physical therapy |
| ppt | parts per trillion; precipitation, precipitate; prepared |
| pptd | precipitated |