A delayed hemolytic transfusion reaction typically occurs:
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Correct answer: Several days to weeks after transfusion
Delayed hemolytic transfusion reactions occur days to weeks after transfusion. They are caused by an anamnestic immune response to minor red cell antigens. Hemolysis is usually extravascular and less severe than acute reactions.
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More Blood Transfusion Reactions questions
- The first step in managing any suspected transfusion reaction is to:
- Which laboratory finding supports a diagnosis of acute hemolytic transfusion reaction?
- Transfusion-associated circulatory overload (TACO) is primarily due to:
- Which transfusion reaction is most associated with hypotension and bronchospasm in IgA-deficient patients?
- Which blood component modification reduces febrile non-hemolytic reactions?
- Iron overload due to repeated transfusions primarily affects which organ?