A 72-year-old with nonvalvular atrial fibrillation (paroxysmal episodes 24 hours) has CHA₂DS₂-VASc=3 (age, hypertension). Creatinine 1.0 mg/dL, weigh...

Question

A 72-year-old with nonvalvular atrial fibrillation (paroxysmal episodes >24 hours) has CHA₂DS₂-VASc=3 (age, hypertension). Creatinine 1.0 mg/dL, weight 85 kg. What is the most appropriate long-term strategy to reduce stroke risk?

Accepted Answer

Apixaban 5 mg twice daily

Answer

Aspirin 81 mg daily

Answer

Warfarin with target INR 1.5-2.0

Answer

Dual antiplatelet therapy with aspirin and clopidogrel

Answer

No antithrombotic therapy because AF is paroxysmal

us-abim MCQ (SBA): Atrial Fibrillation

A 72-year-old with nonvalvular atrial fibrillation (paroxysmal episodes >24 hours) has CHA₂DS₂-VASc=3 (age, hypertension). Creatinine 1.0 mg/dL, weight 85 kg. What is the most appropriate long-term strategy to reduce stroke risk?