CHADS2 Score (AF stroke risk)
CHADS2 Score (AF stroke risk) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
Open the CHADS2 Score (AF stroke risk) → Runs in your browser. No signup, no tracking.
What this is
CHADS2 Score (AF stroke risk) is one of 230 deterministic tools in Sophie Well's Clinical Scoring & Risk group. CHADS2 Score (AF stroke risk) - a deterministic tool in Sophie Well's Clinical Scoring & Risk group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Gage BF, Waterman AD, Shannon W, et al. Validation of clinical classification schemes for predicting stroke: results from the National Registry of Atrial Fibrillation. JAMA. 2001;285(22):2864-2870. Read the source ↗
Worked example: CHADS2 1/6: adjusted annual stroke rate 2.8%/yr (Gage 2001 derivation cohort).
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