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transfusion reactions, T4 (allergic contact dermatitis, processing antigen…
transfusion reactions
acute
t 2: antibody/complement
hypotension and hemoglobinuria
allergic/anaphylactic
febril nonhemolytic
acute lung
delayed
T4
allergic contact dermatitis
processing antigen via CD4 langerhan cells
poison ivy, nickel
GVHD, TB test
hyper acute
transplant rejection
GVHD
T4
acute
lymphocytic reaction
CD4 and CD8
chronic
T4
smooth muscle
hemorrhage and mottling of graft vessels
hypersensitivity t 2
blood groups
O- universal donor has no antigens
AB+ universal acceptor has no antibodies (has all antigens)
T1
T1 IGE binding with food allergy, asthma, rhinitis
aczema
T2
antibody antigen
T3
antibody immune complex complment