Heparin-induced thrombocytopenia
At a Glance Heparin-induced thrombocytopenia (HIT) should be suspected if the platelet count decreases by 50% (at least 30%) during or within 2 weeks after administration of unfractionated heparin or low molecular weight heparin or fondaparinux, especially if associated with a new thrombosis. The platelet count typically starts falling 5-14 days after the start of…