| PPTL | postpartum tubul ligation |
|---|---|
| PPV | pneumococcal polysaccharide vaccine; porcine parvovirus; positive predictive value; positive pressure ventilation; progressive pneumonia virus; pulmonary plasma volume |
| PPVr | regional pulmonary plasma volume |
| PPVT | Peabody Picture Vocabulary Test |
| PPVT-R | Peabody Picture Vocabulary Test, Revised |
| Ppw | pulmonary wedge pressure |
| PPY | pancreatic polypeptide |
| ppy | pack years |