Question

A 75-year-old woman with atrial fibrillation and a mechanical mitral valve asks about direct oral anticoagulants (DOACs). What is the best answer?

Accepted Answer

DOACs are contraindicated; warfarin is indicated.

Answer

Apixaban is preferred.

Answer

Rivaroxaban is preferred.

Answer

Aspirin alone is sufficient.

Answer

No anticoagulation is necessary.

Practice question

A 75-year-old woman with atrial fibrillation and a mechanical mitral valve asks about direct oral anticoagulants (DOACs). What is the best answer?