Delayed Transfusion Reaction

Question 1

What causes a Delayed Transfusion Reaction?

Answer 1

Recipient antibodies against minor antigens on donor RBCs, such as Rh, Kell, Duffy, Kidd.

Question 2

What is the result of the Coombs test in a Delayed Transfusion Reaction?

Answer 2

(+)

A positive Coombs test indicates the presence of antibodies that are reacting against the red blood cells.

Question 3

What clinical scenario typically presents with a Delayed Transfusion Reaction?

Answer 3

Someone who had surgery + received RBCs intraoperatively + over the course of a week following the surgery, hemoglobin gradually decreases.

Question 4

What combination of test results is seen in a Delayed Transfusion Reaction?

Answer 4

Coombs (+); unconjugated bilirubin

Question 5

Fill in the blank: A Delayed Transfusion Reaction is characterized by recipient antibodies against minor antigens on donor RBCs, such as Rh, Kell, Duffy, _______.

Answer 5

Kidd.