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Anemia and transfusion
A practice question in the style of the MCCQE MCQ exam. Choose your answer to see the explanation.
A woman who had a transfusion 8 days ago has a falling hemoglobin and jaundice. What is the most likely diagnosis?
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The answer is C: Delayed hemolytic reaction.
Delayed hemolytic reactions occur days to weeks after transfusion as antibodies to minor red cell antigens rise. The direct antiglobulin test is often positive.
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