Question

A 74-year-old man with persistent atrial fibrillation has a CHA₂DS₂-VASc score of 3. No valvular disease or severe renal impairment. What is the most appropriate antithrombotic strategy?

Accepted Answer

A direct oral anticoagulant (e.g., apixaban)

Answer

Aspirin 75 mg daily

Answer

No antithrombotic therapy

Answer

Clopidogrel 75 mg daily

Answer

Warfarin only

Practice question

A 74-year-old man with persistent atrial fibrillation has a CHA₂DS₂-VASc score of 3. No valvular disease or severe renal impairment. What is the most appropriate antithrombotic strategy?