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CHA2DS2-VASc Score for Atrial Fibrillation Stroke Risk

CardiologyAtrial fibrillationStroke riskBeta toolThis tool is in beta. It has undergone internal validation but still requires additional testing. Always confirm the data entered and the results obtained before clinical use. It should not be used as the sole basis for clinical decisions.
years
Female sex category
History of heart failure or left ventricular dysfunction
History of hypertension
History of diabetes mellitus
Prior stroke, TIA, or systemic thromboembolism
History of vascular disease

Clinical noticeEducational AF stroke-risk support only; interpret with clinical context and current local guidance.

Context and use

CHA₂DS₂-VASc = heart failure/LV dysfunction (1) + hypertension (1) + age 65–74 (1) or ≥75 (2) + diabetes (1) + prior stroke/TIA/systemic embolism (2) + vascular disease (1) + female sex category (1).

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