CHA₂DS₂-VASc Stroke Risk (AFib)

Estimates yearly stroke risk in non-valvular atrial fibrillation to guide anticoagulation.

Designed for healthcare professionals or trained caregivers — not for self-diagnosis. If you have symptoms, seek medical care.
Awaiting clinical review. Results are based on validated formulas but pending physician verification.

How this is calculated

Points for CHF, hypertension, age (65–74 = 1, ≥75 = 2), diabetes, prior stroke/TIA (2), vascular disease, and female sex — summed 0–9.

Sources

  1. Lip GY, Nieuwlaat R, Pisters R, Lane DA, Crijns HJ. Refining clinical risk stratification for predicting stroke and thromboembolism in AF (CHA₂DS₂-VASc). Chest 2010.
This calculator is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. The result is based on standard clinical formulas applied to the values you entered — your individual situation may need adjustments your doctor can make. Never disregard professional medical advice or delay seeking it because of something you read or calculated on healthcalculus.