Science and Education Publishing American Journal of Medical Case Reports 2374-216X 3 6 2015 05 19 HIT BY HEPARIN: A Rare Case of Late Onset Heparin Induced Thrombocytopenia 174 176 EN HAMZA HASHMI MD Grand Rapids Medical Education Partners UMAYR AZIMI MD AJMCR2015367 10.12691/ajmcr-3-6-7 2015 04 27 2015 05 09 2015 05 19 Heparin induced thrombocytopenia is a rare complication of heparin therapy that usually occurs within initial 5 to 10 days of heparin exposure. We present a rare case of delayed onset heparin induced thrombocytopenia that occurred one week after cessation.