Heparin-Induced Thrombocytopenia Type II Because of Heparin-Coated Polytetrafluoroethylene Graft Used to Bypass

Heparin-induced thrombocytopenia type II is an immune-mediated syndrome that may arise in a time-dependent manner after heparin therapy. Thrombocytopenia and thrombosis in patients exposed to heparin are suggestive of this syndrome.