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A member asked:

Subsequent to a blood transfusion there was some yellow liquid in the blood bag - what's going on?

A doctor has provided 1 answer
Dr. Juan Merayo-Rodriguez answered

Specializes in Pathology

Plasma: Blood is composed of formed elements (red cells, white cells and platelets) and the liquid portion is plasma. During a transfusion of packed red blood cells, there is also some plasma and anticoagulant in the bag, and they separate from the red cells by gravity. This is a normal finding, the color of the plasma is usually yellow.

Answered 5/19/2014

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