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CHA₂DS₂-VASc Score

Atrial fibrillation stroke risk & OAC decision support

Biological Sex

Age Group

Risk Factors

0Low Risk

Anticoagulation generally not recommended. Consider annual reassessment.

Use HAS-BLED to assess bleeding risk before initiating anticoagulation.

In clinical review. This calculator follows the published score, but our clinical review hasn’t signed off on this implementation yet. Verify every result against the primary source before acting on it.

For clinical decision support only. Does not replace provider judgment. Verify all scores before acting on results.