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Section: Immunohematology
4.11 Immunohematology Problem Solving

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A 33-year-old maternity patient is drawn for a type and screen at 36 weeks’ gestation. The following results are found on the Ortho Provue: Wash the patient’s red cells and repeat the forward grouping Test the patient’s plasma against A2 cells Warm the patient plasma at 37°C for 10 minutes and repeat the reverse grouping Treat the A1 cells with dithiothreitol and repeat the reverse grouping