Question

A 72-year-old with nonvalvular atrial fibrillation (CHA₂DS₂‑VASc 3) asks about stroke prevention. INR monitoring is a barrier. What is the preferred antithrombotic strategy?

Accepted Answer

Initiate a direct oral anticoagulant (e.g. apixaban)

Answer

No therapy because CHA₂DS₂‑VASc <4

Answer

Dual antiplatelet therapy with aspirin and clopidogrel

Answer

Aspirin 81 mg daily

Answer

Warfarin with target INR 1.5-2.0

Practice question

A 72-year-old with nonvalvular atrial fibrillation (CHA₂DS₂‑VASc 3) asks about stroke prevention. INR monitoring is a barrier. What is the preferred antithrombotic strategy?