Question

All of the following may occur following an Rh-mediated hemolytic transfusion reaction except?

1) Elevated fever
2) Increased bilirubin
3) Intravascular hemolysis
4) Positive DAT

Answer 1

Rh-mediated hemolytic transfusion reactions can cause various symptoms, but a positive Direct Antiglobulin Test (DAT) is not expected.

Step-by-step explanation:

Rh-mediated hemolytic transfusion reactions can occur when an individual with Rh- blood receives a transfusion of Rh+ blood. This can lead to the production of anti-Rh factor antibodies and the destruction of the transfused red blood cells. Symptoms of a transfusion reaction may include elevated fever, increased bilirubin, intravascular hemolysis, and a positive Direct Antiglobulin Test (DAT). However, option 4, Positive DAT, is not expected to occur following an Rh-mediated hemolytic transfusion reaction.