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CHA₂DS₂-VASc Stroke Risk Score Calculator

CHA₂DS₂-VASc score — annual stroke risk in AF patients.

Calculates the CHA₂DS₂-VASc score to estimate annual stroke risk in atrial fibrillation patients and guides anticoagulation decisions.

Daniel Oh By Daniel Oh
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Score = CHF + HTN + Age≥75(×2) + DM + Stroke(×2) + Vasc + Age65-74 + Sex

In depth

Calculates the CHA₂DS₂-VASc score to estimate annual stroke risk in atrial fibrillation patients and guides anticoagulation decisions.