Health risk tools

CHA₂DS₂-VASc / CHA₂DS₂-VA: AFib stroke risk

Educational only, not a diagnosis. Educational information about published risk tools. Not medical advice or a diagnosis, and it does not create a doctor–patient relationship. Do not start, stop, or change any medication, including blood thinners, without your clinician. Everything you enter stays in this browser; nothing is sent anywhere. In an emergency, call 911.

1. Has a clinician diagnosed you with atrial fibrillation (AFib)?

Sources

Lip GY et al. Chest 2010;137:263 (CHA₂DS₂-VASc derivation). doi
2023 ACC/AHA/ACCP/HRS AF Guideline (Joglar et al.), Circulation. doi
2024 ESC AF Guidelines (Van Gelder et al.), Eur Heart J 2024;45:3314. doi