Standard Heparin Reversal: Protamine < 30 minutes - 1 unit/100 units of heparin 30-60 minutes - 0.5 - 0.75 units/100 units of heparin 60-120 minutes - 0.375 - 0.5 units/100 units of heparin > 120 minutes - 0.25 - 0.375 units/100 units of heparin Dr. Thomas DeLoughery @Bloodman #Heparin #Reversal #Protamine #pharmacology #management #hematology