Case 1 of 16CardiovascularArrhythmias (e.g., atrial fibrillation, heart block)
A 72-year-old man presents for a routine visit. He was incidentally found to have an irregularly irregular pulse, and ECG confirms atrial fibrillation with a ventricular rate of 88 beats/min. He is asymptomatic. His history includes hypertension treated with ramipril, and type 2 diabetes managed with metformin. He has no history of stroke, heart failure, or vascular disease, and is not currently on any antithrombotic therapy.
Question 1 of 44
Which ONE of the following is the most appropriate next step in stroke prevention for this patient?
Select 1. (0 / 1 selected)
100%
ANo antithrombotic therapy needed
BStart a direct oral anticoagulant (e.g., apixaban)
CStart warfarin with INR target 2–3
DRefer for left atrial appendage occlusion
EStart dual antiplatelet therapy (ASA + clopidogrel)
FStart ASA 81 mg daily
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