| Abbreviation | Definition |
|---|---|
| PPD | post psychotic depression |
| PPD | postpartum depression |
| PPD | Prescription Pricing Division |
| PPD | primary progressive dementia |
| PPG | Patient Perticipation Group |
| PPG | peak pressure gradient |
| PPG | portal pressure gradient |
| PPG | post-prandial glycaemia |
| PPG | Practitioners Performance Group |
| PPG | principal police grant (!) |
| PPG | pterygopalatine ganglion |
| PPG | pylorus-preserving gastrectomy |
| PPG | This term had 47 hits on 23.10.2011, primarily from the late 1990s and thus unlikely to be in active use |
| PPI | paired pulse inhibition |
| PPI | partial permanent impairment |
| PPI | Partnerhip for Policy Implementation |
| PPI | peptidyl prolyl isomerase |
| PPI | phosphoinositide |
| PPI | portal perfusion index |
| PPI | postpartum interval |