A 68-year-old with nonvalvular atrial fibrillation (CHA₂DS₂‑VASc = 3 for age 65-74, HTN, diabetes) and normal renal function asks about stroke prevent...

Question

A 68-year-old with nonvalvular atrial fibrillation (CHA₂DS₂‑VASc = 3 for age 65-74, HTN, diabetes) and normal renal function asks about stroke prevention. What is the guideline‑preferred approach?

Accepted Answer

Direct oral anticoagulant at standard dose unless contraindicated

Answer

No antithrombotic therapy is needed at CHA₂DS₂‑VASc 3 in men

Answer

Aspirin 81 mg daily alone

Answer

Warfarin with target INR 1.5-2.0

Answer

Dual antiplatelet therapy (aspirin + clopidogrel) as an alternative to anticoagulation

us-abim MCQ (SBA): Atrial Fibrillation-Stroke Prevention

A 68-year-old with nonvalvular atrial fibrillation (CHA₂DS₂‑VASc = 3 for age 65-74, HTN, diabetes) and normal renal function asks about stroke prevention. What is the guideline‑preferred approach?