TYPES OF BLOOD COMPONENTS
Used to replace erythrocytes. one bag contain 250 or, 300,or 350ml. Each units increases the HB by 1 gldl and Hematocrit by 2% to 3%.
Rarely used. Used to resolve hypovolemic shock resulting from hemorrhage. Contain RBC,Plasma, and Plasma proteins. Each unit contain 500 ml.
Platelets are used to treat thrombocytopenia and platelets dysfunctions. Cross matching is not required but it usually done. (Platelet concentrates contain few RBC only). One unit of platelet may vary from 50 to 70 ml per unit to 200 to 400 ml/unit. Platelets are administered immediately up on receipt form the blood bank and are given rapidly, usually over 15 to 30 minutes. Evaluation of platelets count is done 18 to 24 hours after administration.