| PEP/LVET | pre-ejection period to the left ventricular ejection time |
|---|---|
| PEPC | phosphoeno/pyruvate carboxylase |
| PEPc | pre-ejection period |
| PEPCase | Phosphoenolpyruvate carboxylase |
| PEPCK | P-enolpyruvate carboxykinase |
| PEPCK | Phospho enolpyruvate carboxykinase |
| PEPI | Post-menopausal Estrogen/Progestin Interventions |
| PEPI | Pre-ejection period index |
| pEPSP | population excitatory postsynaptic potential |