A 68-year-old man with hypertension has newly diagnosed atrial fibrillation. CHA₂DS₂-VASc score is 2 (age 65-74 =1, hypertension =1). What is the most appropriate stroke-prevention strategy?AStart aspirin 81 mg daily.BNo antithrombotic therapy is required.CInitiate a direct oral anticoagulant for long-term stroke prevention.DBegin flecainide to restore sinus rhythm; defer anticoagulation.EDelay decisions until a 30-day monitor confirms AF burden.Check my answer