| PPAS | peripheral pulmonary artery stenosis |
|---|---|
| Ppaw | pulmonary artery wedge pressure |
| PPB | platelet-poor blood; pneumococcal pneumonia and bacteremia; positive pressure breathing |
| PPb | postparotid basic protein |
| ppb | parts per billion |
| PPBP | pro-platelet basic protein |
| PPBS | postprandial blood sugar |
| PPC | Proximal Palmar Crease |
| PPC | pentose phosphate cycle; peripheral posterior curve; plasma prothrombin conversion; pneumopericardium; progressive patient care; proximal palmar crease |
| PPCA | plasma prothrombin conversion accelerator; proserum prothrombin conversion accelerator |