A 72-year-old with nonvalvular atrial fibrillation, CHA₂DS₂-VASc score 3 (HTN, age, DM), normal renal function, and no mitral stenosis or mechanical v...

Question

A 72-year-old with nonvalvular atrial fibrillation, CHA₂DS₂-VASc score 3 (HTN, age, DM), normal renal function, and no mitral stenosis or mechanical valve asks about stroke prevention. What is the most appropriate long-term strategy?

Accepted Answer

Start a direct oral anticoagulant (e.g., apixaban)

Answer

Aspirin 81 mg daily

Answer

No antithrombotic therapy

Answer

Left atrial appendage occlusion now

Answer

Switch to warfarin (INR 2-3) as first-line

us-abfm MCQ (SBA): Atrial Fibrillation

A 72-year-old with nonvalvular atrial fibrillation, CHA₂DS₂-VASc score 3 (HTN, age, DM), normal renal function, and no mitral stenosis or mechanical valve asks about stroke prevention. What is the most appropriate long-term strategy?