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What is the mechanism inducing thrombosis in heparin induced thrombocytopenia?

Heparin binds to and activates platelets via the Gb1b receptor

Binding of IgG to heparin-PF4 neoantigen results in activation of platelets and endothelial cells

Heparin injures endothelial cells causing them to express pro-thrombotic mediators

High molecular weight heparin used as an anticoagulant suppresses megakaryocytes causing them to produce less platelets.