763: Frequency of clinically suspected HIT in patients receiving extracorporeal membrane oxygenation

Introduction: To prevent thrombus formation within the extracorporeal membrane oxygenation (ECMO) circuit, systemic anticoagulation with unfractionated heparin (UFH) is recommended. Patients undergoing ECMO may have many causes of thrombocytopenia including but not limited to heparin-induced thrombo