Question

A 76-year-old man with permanent non-valvular atrial fibrillation and hypertension presents for review. His CHA₂DS₂-VASc score is 3 (age, hypertension), HAS-BLED score 1, and he has normal renal function. He is currently taking aspirin 100 mg daily but no anticoagulant. According to Australian atrial fibrillation guidelines, what is the most appropriate change to his antithrombotic therapy?

Accepted Answer

Cease aspirin and commence a direct oral anticoagulant at standard dose

Answer

Continue aspirin alone because his bleeding risk is low

Answer

Add clopidogrel to aspirin (dual antiplatelet therapy)

Answer

Cease aspirin and commence warfarin with target INR 1.5-2.0

Answer

Continue aspirin and add prophylactic-dose low molecular weight heparin

Practice question