A 72-year-old man presents with new-onset atrial fibrillation of unknown duration. He has hypertension and type 2 diabetes but no prior stroke or TIA....

Question

A 72-year-old man presents with new-onset atrial fibrillation of unknown duration. He has hypertension and type 2 diabetes but no prior stroke or TIA. His CHADS-65 score is 2 (age ≥65 and hypertension). What is the most appropriate long-term stroke prevention strategy according to Canadian recommendations?

Accepted Answer

Oral anticoagulation with a direct oral anticoagulant or warfarin

Answer

No antithrombotic therapy

Answer

Aspirin 81 mg daily alone

Answer

Dual antiplatelet therapy with aspirin and clopidogrel

Answer

Left atrial appendage occlusion without anticoagulation

ca-mccqe1 MCQ (SBA): Atrial fibrillation stroke prevention