In a patient with atrial fibrillation, the CHA2DS2-VASc score helps determine:

✓ Correct Answer: Option B

CHA2DS2-VASc: Congestive HF, Hypertension, Age≥75(2), Diabetes, Stroke/TIA(2), Vascular disease, Age 65-74, Sex category(female). Score ≥2 in men / ≥3 in women: anticoagulation recommended.