| MP-RAGE | magnetization-prepared rapid gradient-echo |
|---|---|
| NEPHGE | nonequilibrated pH gradient electrophoresis |
| PPG | photoplethysmography; platelet proteoglycan; portal pressure gradient |
| PSG | peak systolic gradient; phosphate, saline, and glucose; polysomnogram; presystolic gallop; pregnancy... |
| PVG | pulmonary valve gradient |