How Blood is Used

Blood Component UseUnits*
Automobile Accident 50 units of blood
Bone Marrow Transplant 20 units of blood
120 units of platelets
Burn 20 units of platelets
Heart Surgery Six units of blood
Organ Transplant 40 units of blood
30 units of platelets
20 bags of cryoprecipitate
25 units of fresh frozen plasma

*average usage taken from Use of Human Blood and Blood Components published by America’s Blood Centers