CHA2DS2-VASc Score Calculator
Health & FitnessCalculate the CHA2DS2-VASc score used to estimate stroke risk in patients with atrial fibrillation.
CHA2DS2-VASc Score
Total CHA2DS2-VASc score. Educational reference only, not a substitute for clinical judgment or physician assessment.
Risk Category
Low risk
General risk category. A female patient with no other risk factors is treated as the low-risk baseline, per standard scoring convention.
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Frequently Asked Questions
What is the CHA2DS2-VASc score used for?
The CHA2DS2-VASc score estimates the annual risk of stroke in patients with atrial fibrillation, helping guide decisions about anticoagulation therapy.
Why does female sex only sometimes count as a risk point?
Standard scoring convention treats the sex-category point as only meaningful when at least one other risk factor is present. A female patient with zero other risk factors is treated the same as a male with zero risk factors, both low risk.
What does a high CHA2DS2-VASc score mean?
A score of 2 or more is generally associated with a high enough stroke risk that oral anticoagulation is typically recommended, though the final decision always depends on individual clinical judgment and bleeding-risk considerations.
Is this calculator a substitute for medical advice?
No. This is an educational reference implementation of the standard CHA2DS2-VASc scoring system, not a substitute for a physicians clinical assessment.
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