A 72-year-old man with persistent non-valvular atrial fibrillation has hypertension and type 2 diabetes but no heart failure or prior stroke. His CHA2DS2-VASc score is 3. What is the most appropriate stroke-prevention strategy?ANo antithrombotic treatment is requiredBAspirin 75 mg dailyCDual antiplatelet therapy with aspirin and clopidogrelDOral anticoagulation with a direct oral anticoagulantELow-dose low molecular weight heparin indefinitelyCheck my answer