Question

A 66-year-old man with nonvalvular atrial fibrillation has a CHA₂DS₂-VASc score of 2 (hypertension, age 66). He is hesitant about anticoagulation. What is his approximate annual stroke risk without oral anticoagulation (OAC), and what is the recommendation?

Accepted Answer

~2%; OAC recommended

Answer

<0.5%; no OAC needed

Answer

~5%; OAC recommended only if bleeding risk is low

Answer

~10%; OAC mandatory

Answer

Unknown; obtain TEE first

Practice question

A 66-year-old man with nonvalvular atrial fibrillation has a CHA₂DS₂-VASc score of 2 (hypertension, age 66). He is hesitant about anticoagulation. What is his approximate annual stroke risk without oral anticoagulation (OAC), and what is the recommendation?