A 60-year-old woman with anemia is admitted to the hospital. Her hematocrit is 1

Question

A 60-year-old woman with anemia is admitted to the hospital. Her hematocrit is 17% and she has been experiencing subtle gastrointestinal bleeding over many weeks. Her physician requests 4 units of red blood cells for transfusion. The patient’s RBCs phenotyped as group AB, D-positive. Her antibody screen is negative on the sample drawn in the emergency room, but her records indicate a previously detected anti-E. Only three group AB, D-positive red blood cell units are available in the blood bank’s inventory. The blood bank’s inventory contains RBC donor units of all ABO and D types.
1. What ABO phenotype should be selected for the fourth donor unit? State your reasons for this choice.
2. What type of crossmatches should be performed?
3. Is any additional screening required on the donor units before crossmatching?

Explanation / Answer

1. since it is universal donor A+ Or A- Or B+ or B- or AB+ Or AB- or O+ or O-

a person with type AB blood can receive a transfusion from type A, type B or type O blood as well as type AB blood.

2. There is no need of Crossmatch

3. Yes, for the healthiness of donor and is donor have any disease or not

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