Tuesday, January 3, 2012

blood transfusions

The ABO and Rh groups in transfusion
system recipient type donor red cell type donor plasma type
ABO A A* or O A or AB
ABO B B or O B or AB
ABO O O only O, A, B, or AB
ABO AB AB*, A*, B, or O AB
Rh positive positive or negative positive or negative
Rh negative negative or positive**, *** negative or positive**
*Not if the patient’s serum contains anti-A1 (antibody to common type A red cell in subgroup A patients).
**Not if the patient is a female less than 45 years old (childbearing possible), unless life-threatening hemorrhage is present and transfusion of Rh-positive blood is lifesaving.
***Not if the patient’s serum contains anti-D (antibody to positive red cells), except under unusual medical circumstances.

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