A 72-year-old woman with non-valvular atrial fibrillation, hypertension, and a prior transient ischaemic attack presents to clinic. She has normal ren...

Question

A 72-year-old woman with non-valvular atrial fibrillation, hypertension, and a prior transient ischaemic attack presents to clinic. She has normal renal function and is not on anticoagulation. According to Canadian atrial fibrillation guidelines, what is the most appropriate stroke prevention strategy?

Accepted Answer

Full-dose direct oral anticoagulant therapy

Answer

Aspirin 81 mg daily alone

Answer

No antithrombotic therapy because her age is the only risk factor

Answer

Dual antiplatelet therapy with aspirin and clopidogrel

Answer

Low-dose low-molecular-weight heparin once daily

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