Question

A 78-year-old woman with atrial fibrillation and a bioprosthetic aortic valve more than 3 months post-operation has a CHA₂DS₂‑VASc score of 5. What anticoagulant is preferred?

Accepted Answer

Any DOAC is reasonable

Answer

No anticoagulation needed

Answer

Warfarin only

Answer

Aspirin alone

Answer

Clopidogrel alone

Practice question

A 78-year-old woman with atrial fibrillation and a bioprosthetic aortic valve more than 3 months post-operation has a CHA₂DS₂‑VASc score of 5. What anticoagulant is preferred?