Alireza Jahangirifard - Tracheal Diseases Research Center, Shahid Beheshti University of Medical Science, Tehran, Iran
Majid Golestani-Eraghi - Chronic Respiratory Diseases Research Center, Shahid Beheshti University of Medical Science, Tehran, Iran
Mohammad Ali Saghafi - Anesthesiology Research Center, Cardiac Anesthesiology Department, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Heparin- induced thrombocytopenia (HIT) is an antibody mediated adverse effect of heparin therapy, which is classified into two subtypes, HITI which is non-immune, spontaneously reversible thrombocytopenia and; HITII which is an autoimmune-mediated adverse effect of heparin therapy. In this case report, we described a 65-year old male patient with HITII after coronary artery bypass grafting.

Heparin- induced thrombocytopenia, Heparin- induced thrombosis, coronary artery bypass grafting