How is heparin-induced thrombocytopenia (HIT) diagnosed?

Updated: Apr 24, 2018
  • Author: Sancar Eke, MD, FASN; Chief Editor: Srikanth Nagalla, MBBS, MS, FACP  more...
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Diagnosis of HIT is based on the combination of clinical findings, thrombocytopenia characteristics, and laboratory studies of HIT antibodies. See Workup. Treatment of HIT begins with discontinuation of all heparin products (including heparin flushes of intravenous catheters). The patient should then be started on an alternative anticoagulant. See Treatment and Medication.

For patient education information, see Deep Vein Thrombosis (Blood Clot in the Leg, DVT), Pulmonary Embolism, and Thrombocytopenia.

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