Question

A 78-year-old woman has non-valvular atrial fibrillation with a CHA2DS2-VASc score of 4 and no contraindications to anticoagulation. What is the most appropriate long-term stroke prevention strategy?

Accepted Answer

Oral anticoagulation with a direct oral anticoagulant (eg apixaban)

Answer

No antithrombotic therapy is required

Answer

Aspirin alone

Answer

Dual antiplatelet therapy with aspirin and clopidogrel

Answer

Warfarin only if a stroke occurs

Practice question

A 78-year-old woman has non-valvular atrial fibrillation with a CHA2DS2-VASc score of 4 and no contraindications to anticoagulation. What is the most appropriate long-term stroke prevention strategy?