Coagulation Cascade Mnemonic - PITT vs PET PITT (with an I) = Intrinsic = APTT Factors 1, 2, 9, 10, 11, 12 PET (with an E)= Extrinsic=PT Factors 1, 2, 7, 10 Common Pathway: Factors 1, 2, 5, 8, 10 Virgil Lo, MD @pinoygastro #Coagulation #Cascade #Mnemonic #PITT #PET #diagnosis #hematology