Question

A 76-year-old woman with non-valvular atrial fibrillation, hypertension and type 2 diabetes has a CHA₂DS₂-VASc score of 4. She has no history of major bleeding and normal renal function. According to current evidence-based practice, what is the most appropriate recommendation regarding stroke prevention?

Accepted Answer

Oral anticoagulation with a direct oral anticoagulant at stroke-prevention dose

Answer

No antithrombotic therapy is required

Answer

Aspirin 100 mg daily alone

Answer

Dual antiplatelet therapy with aspirin and clopidogrel

Answer

Warfarin only if she develops heart failure

Practice question