Thrombosis syndromes (hypercoagulability) Quiz: Ace Your Exams

Get ready to dominate your medical and nursing exams by using our dynamic quizzes to elevate your knowledge and increase your confidence. Whether you're gearing up for the USMLE®, COMLEX®, or your next in-class assessment, Osmosis quizzes tackle key topics in pathology, diagnostics, and treatment approaches. By honing in on clinical readiness and decision-making, we make sure the knowledge you gain empowers you both in the classroom and in real-world practice. Jump in and supercharge your exam prep!

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A 24-year-old woman comes to the clinic due to leg pain and swelling that started suddenly 2 days ago. History is significant for traveling back from Australia 3 days ago and smoking 1 pack of cigarettes per day for 5 years. The patient denies any trauma, and she does not use excessive alcohol or illicit drugs. Vitals are within normal limits. On physical examination, the right calf is red, warm, and swollen. The left calf appears normal. Lower extremity ultrasounds reveal a deep vein thrombosis. Laboratory testing shows a PTT of 30 seconds. Heparin is administered. Six hours later, PTT is 32 seconds. Which of the following is the most likely diagnosis?  

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