A 73-year-old woman with hypertension and diabetes presents with paroxysmal atrial fibrillation. Her CHA₂DS₂-VASc score is 4 (age ≥65, female sex, hyp...

Question

A 73-year-old woman with hypertension and diabetes presents with paroxysmal atrial fibrillation. Her CHA₂DS₂-VASc score is 4 (age ≥65, female sex, hypertension, diabetes). Renal function is normal. According to CCS atrial fibrillation guidance, what is the most appropriate stroke prevention strategy?

Accepted Answer

Oral anticoagulation with a direct oral anticoagulant

Answer

No antithrombotic therapy

Answer

Aspirin 81 mg daily

Answer

Dual antiplatelet therapy (aspirin plus clopidogrel)

Answer

Warfarin with target INR 1.5-2.0

ca-mccqe1 MCQ (SBA): Atrial fibrillation stroke prevention