A 72-year-old man with newly diagnosed non-valvular atrial fibrillation is seen in a family practice clinic. He has hypertension but no prior stroke, ...

Question

A 72-year-old man with newly diagnosed non-valvular atrial fibrillation is seen in a family practice clinic. He has hypertension but no prior stroke, diabetes, or heart failure. He has normal renal function and no history of major bleeding. According to the Canadian CHADS-65 algorithm, what is the most appropriate thromboprophylaxis strategy?

Accepted Answer

Oral anticoagulation with a direct oral anticoagulant

Answer

No antithrombotic therapy is required

Answer

Aspirin 81 mg daily alone

Answer

Dual antiplatelet therapy with aspirin and clopidogrel

Answer

Warfarin only if he develops heart failure

ca-mccqe1 MCQ (SBA): Atrial fibrillation