Case B3: ABO Discrepancy Complicated by Transfusion
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Last Updated: Oct. 28, 2016 [All links fixed]
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Case Report
History
Mr. VT is a 50-year-old male who has been admitted for elective surgery following a car accident. He had been admitted to another hospital 4 weeks earlier following the accident.
Tests
- Two units of red cells are ordered for the surgery.
- Results
Discussion and Resolution
- Case discussion, including interactive questions with feedback.
- Resolution
Quiz
After reviewing the case resolution, answer these questions:
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What percentage of group A subgroups have anti-A1 present?
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Is the anti-A1 present in some A subgroups usually clinically significant?
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What is the typical appearance of mixed-field agglutination?
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What can cause mixed-field agglutination?
Further Reading
- British Columbia Provincial Blood Coordinating Office. Technical resource manual for hospital transfusion services, ed 2. Vancouver: Provincial Blood Coordinating Office;2006. See CT.003 ABO group problem solving.