CHA2DS2-VASc Score
Estimates annual stroke risk in atrial fibrillation.
What is CHA2DS2-VASc Score?
Estimates annual stroke risk in atrial fibrillation. CHA2DS2-VASc Score is intended for use in: Adults.
How to Use the CHA2DS2-VASc Score Calculator
- Enter Congestive heart failure / LV dysfunction.
- Enter Hypertension.
- Enter Age in years.
- Enter Diabetes mellitus.
- Enter Prior stroke / TIA / thromboembolism.
- Enter Vascular disease (MI, PAD, aortic plaque).
- Enter Sex.
- Click Calculate to see your result and interpretation.
Formula & Version
This calculator uses formula version 1.0, last reviewed September 2026.
Clinical Considerations & Limitations
- Female sex alone (without any other risk factor) is not generally considered to independently raise stroke risk enough to justify anticoagulation.
References
- Lip GYH et al., Chest 2010;137:263-272
Frequently Asked Questions
What is CHA2DS2-VASc Score?
Estimates annual stroke risk in atrial fibrillation.
Who is CHA2DS2-VASc Score intended for?
Adults. Always confirm applicability to your specific patient before use.
What are the limitations of CHA2DS2-VASc Score?
Female sex alone (without any other risk factor) is not generally considered to independently raise stroke risk enough to justify anticoagulation.
What formula or reference does CHA2DS2-VASc Score use?
Lip GYH et al., Chest 2010;137:263-272
Is CHA2DS2-VASc Score a diagnosis?
No. CHA2DS2-VASc Score produces a score or estimate to support clinical decision-making — it is not a diagnosis and should be interpreted alongside full clinical judgement.