A 72-year-old man with hypertension and diabetes presents for routine follow-up. He is found to have new-onset atrial fibrillation with a ventricular ...

Question

A 72-year-old man with hypertension and diabetes presents for routine follow-up. He is found to have new-onset atrial fibrillation with a ventricular rate of 110 beats per minute and blood pressure 132/78 mm Hg. CHA2DS2-VASc score is 4. What is the most appropriate next step in management to reduce his stroke risk?

Accepted Answer

Start aspirin 81 mg daily only

Answer

Start warfarin with target INR 1.5 to 2.0

Answer

Start a direct oral anticoagulant at standard dose

Answer

No antithrombotic therapy is needed

Answer

Start clopidogrel monotherapy

us-abim MCQ (SBA): Atrial Fibrillation