A 68-year-old man with nonvalvular atrial fibrillation presents for management. He has hypertension and diabetes (CHA₂DS₂‑VASc = 2 for a man). No prio...

Question

A 68-year-old man with nonvalvular atrial fibrillation presents for management. He has hypertension and diabetes (CHA₂DS₂‑VASc = 2 for a man). No prior bleeding, creatinine clearance 70 mL/min, and no mechanical valve or moderate-to-severe mitral stenosis. What is the best next step to reduce stroke risk?

Accepted Answer

Initiate apixaban 5 mg orally twice daily

Answer

Begin aspirin 81 mg daily

Answer

No antithrombotic therapy is needed

Answer

Warfarin with target INR 1.5-2.0

Answer

Rate control only without antithrombotic therapy

us-abim MCQ (SBA): Atrial Fibrillation