20 board-style questions on anticoagulation in the PulseMD family medicine question bank — physician-reviewed, written against current guidelines with the reference cited on each question. Two free samples below; the full set with answers, explanations, and spaced review is free to start.
A 48-year-old man was diagnosed with an unprovoked proximal deep vein thrombosis of the left popliteal and femoral veins 6 months ago. He has been on rivaroxaban 20 mg daily since diagnosis with no bleeding complications. Repeat compression ultrasonography shows complete resolution of the thrombus. He has no identifiable provoking risk factors (no surgery, immobilization, trauma, or malignancy). Thrombophilia workup is negative. He asks how long he should continue anticoagulation. What is the most appropriate recommendation?
A 60-year-old man with no known bleeding risk presents with confirmed acute submassive pulmonary embolism. CT pulmonary angiography shows bilateral segmental PE with right ventricular dilation (RV/LV ratio 1.3). His blood pressure is 118/74 mmHg, heart rate is 112 bpm, and troponin is elevated at 0.15 ng/mL. He is hemodynamically stable. What is the most appropriate initial treatment?
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