CHA2DS2-VASc Calculator — Free Online Tool
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CHA2DS2-VASc Calculator

Estimate stroke risk in patients with non-valvular atrial fibrillation

CHA2DS2-VASc Guidelines: Used to assess stroke risk in atrial fibrillation and guide oral anticoagulant therapy decisions. Select patient clinical risk factors below.
Clinical Risk Factors Input

Calculation Results

⚠️ Not medical advice. For clinical cardiology reference only. Treatment decisions regarding anticoagulation should be made by a physician after evaluating individual stroke and bleeding risks (e.g., HAS-BLED score).

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