The antibody responsible for heparin induced thrombocytopenia is:
HIT results from antibody formation to a complex of the platelet specific protein platelet factor 4 and heparin. Ref: Harrisons principles of internal medicine, Edition -18, Page - 967.
Antiheparin / PF4 antibody
Antiheparin / PF2 antibody
Antiheparin / GP IIb/IIIa antibody
Antiheparin GP Ib/IX antibody