Medical Definition of Blood transfusion reaction

1. This refers to an immune response against transfused blood cells. Antigens, on the surface of red blood cells, are recognised as foreign proteins and can stimulate sensitised lymphocytes to produce antibodies to the red blood cell antigens. This triggers a complex immunological reaction that results in the destruction of the transfused red blood cell. The blood groups (A, B, AB, O) are classified on the basis of the presence of surface antigens on the red blood cell. Type A blood has A antigens. The plasma component of the blood contains the antibodies against all other blood group antigens other that its own. Another type of surface antigen is known as Rh factor. Rh factor is either present (Rh positive) or absent (Rh negative). Rh compatibility is another requirement for blood transfusion. Symptoms and findings of a transfusion reaction include flank pain, fever, chills, bloody urine, rash, low blood pressure, dizziness and fainting. (27 Sep 1997)



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Lexicographical Neighbors of Blood Transfusion Reaction

blood sport
blood spots
blood stains
blood sub
blood subs
blood substitute
blood substitutes
blood substitution
blood substitutions
blood sugar
blood supply
blood tax
blood test
blood tests
blood transfusion
blood transfusion reaction (current term)
blood tumour
blood type
blood types
blood typing
blood urea nitrogen
blood vessel
blood vessel prosthesis
blood vessel prosthesis implantation
blood vessels
blood viscosity
blood volume
blood volume determination
blood volume nomogram
blood wings

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