A 74-year-old woman with hypertension, heart failure with reduced ejection fraction (LVEF 30%), and paroxysmal atrial fibrillation (AF) is reviewed in...

Question

A 74-year-old woman with hypertension, heart failure with reduced ejection fraction (LVEF 30%), and paroxysmal atrial fibrillation (AF) is reviewed in clinic. She has no history of stroke and normal renal function. Her CHA₂DS₂-VASc score is 5. What is the most appropriate stroke prevention strategy?

Accepted Answer

A direct oral anticoagulant at stroke-prevention dose

Answer

Low-dose Aspirin alone

Answer

No antithrombotic therapy because AF is paroxysmal

Answer

Warfarin targeting INR 1.5-2.0

Answer

Dual antiplatelet therapy with Aspirin and Clopidogrel

ca-mccqe1 MCQ (SBA): Stroke prevention in atrial fibrillation