Term
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Definition
| only one part of pretransfusion testing |
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Term
| Main functions of crossmatch |
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Definition
| are (1) It is a final check of ABO compatibility between donor and patient and (2) It may detect the presence of an antibody in the patient’s serum that will react with antigens on the donor RBCs but that was not detected in antibody screening because the corresponding antigen was lacking from the screening cells. |
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Term
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Definition
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Term
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Definition
| set by AABB, accurate records, label on all units, |
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Term
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Definition
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Term
| clinically significant antibodies |
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Definition
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Term
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Definition
| less than 4 months, compatible with moms antibodies, blood has to be less than 7 days old |
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Term
| Pretransfusion testing for newborns |
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Definition
| heel stick specimen, forward typing, only reverse if donor is not group O, AbSc with moms specimen, once per hospital admission |
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Term
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Definition
| transfusion product must be antigen negative |
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Term
| 1 clinically significant antibody and need 1 unit of antigen negative blood |
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Definition
| # of units (1)/frequency of the absence of the antigen = number of units which need to be screened |
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Term
| multiple clinically significant antibodies and need multiple units of antigen negative blood |
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Definition
multiply the percentages of population which is negative or antigens (x)
number of units requested /x = number of units to test |
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Term
| when can you give an rh neg rh pos blood? |
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Definition
| male, women not of childbearing age |
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Term
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Definition
| 10 units in 24 hours, xm can be eliminated until CSAB |
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Term
| transfusion of least incompatible blood |
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Definition
| fresh sample from patient for presence of unexpected anti-a/b prior to transfusion that patients original type |
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