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CHA₂DS₂-VASc Score

Estimates annual stroke risk in atrial fibrillation to guide the anticoagulation decision.

For healthcare professionals.These calculate a score or a measurement from values you enter. They do not diagnose, and they are no substitute for clinical judgement. If you are a patient, discuss any result with your own doctor rather than acting on it.
years
Congestive heart failure / LV dysfunction
Hypertension
Diabetes mellitus
Prior stroke, TIA, or thromboembolism (+2)
Vascular disease (prior MI, PAD, or aortic plaque)

Enter the values above to see the result.

Source

  1. Lip GY, Nieuwlaat R, Pisters R, et al. Refining clinical risk stratification for predicting stroke and thromboembolism in atrial fibrillation. Chest. 2010;137(2):263-272.
  2. 2023 ACC/AHA/ACCP/HRS Guideline for the Diagnosis and Management of Atrial Fibrillation.

Shown for reference and checked against the source above. Confirm against current guidance before acting on it, and use your own clinical judgement.

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