A 31-year-old woman comes to the physician because of pain in her left leg for the past 24 hours. Duplex ultrasonography of her left calf confirms the diagnosis. Treatment is initiated. Four days later, hematologic studies show:
Hct 42%
Hb 14 g/dL
Hb 14 g/dL
WBC 6,200/μL
Platelet count 120,000/μL
A blood smear is shown. What’s the most likely diagnosis?
Antithrombin III deficiency
Disseminated intravascular coagulation
Drug-related antibodies
Kasabach-Merritt syndrome
Vitamin K deficiency
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Cut-to-the-chase Answer (0:42):
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HY USMLE Answer (8:35):
