A 67-year-old patient with a mechanical aortic valve develops nonvalvular atrial fibrillation. Renal function is normal. Which anticoagulation is reco...

Question

A 67-year-old patient with a mechanical aortic valve develops nonvalvular atrial fibrillation. Renal function is normal. Which anticoagulation is recommended?

Accepted Answer

Warfarin with target INR based on valve type

Answer

Apixaban 5 mg twice daily

Answer

Dabigatran 150 mg twice daily

Answer

Rivaroxaban 20 mg nightly

Answer

Aspirin 81 mg daily alone

us-abim MCQ (SBA): Valvular Atrial Fibrillation

A 67-year-old patient with a mechanical aortic valve develops nonvalvular atrial fibrillation. Renal function is normal. Which anticoagulation is recommended?