MyCalcBuddy

CHA2DS2-VASc Score Calculator

Estimate stroke risk in patients with atrial fibrillation using the CHA2DS2-VASc score.

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Important Health Disclaimer

This calculator provides general health information based on standard medical formulas and WHO guidelines. Results are for informational and educational purposes only and should not be considered as professional medical advice, diagnosis, or treatment recommendations.

For health concerns, medical conditions, fitness plans, or dietary decisions, please consult with qualified healthcare professionals, licensed physicians, registered dietitians, or certified fitness trainers who can evaluate your individual health status and medical history.

Individual health needs vary significantly. These calculations are general estimates and may not be appropriate for everyone, especially those with existing medical conditions, pregnant women, children, or elderly individuals.

Not a substitute for professional medical advice

CHA2DS2-VASc Criteria

Select all that apply to the patient:

CHA2DS2-VASc Score

0

Low Risk

Annual Stroke Risk
0%
Risk Category
Low Risk

Treatment Recommendation

No antithrombotic therapy recommended. Anticoagulation generally not indicated.

Score Interpretation

  • 0: Low risk - No anticoagulation
  • 1: Low-moderate - Consider anticoagulation
  • ≥2: Moderate-high - Anticoagulation recommended

Important Note

Always assess bleeding risk (HAS-BLED score) alongside stroke risk before initiating anticoagulation.

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Calculatrices Associées

HAS-BLED Score

Bleeding risk assessment

Heart Rate

Heart rate zones

Cardiac Output

Cardiac function

sources

  • •World Health Organization (WHO) — Global health metrics, disease classification, and nutritional standards. who.int
  • •Centers for Disease Control and Prevention (CDC) — Health statistics, BMI guidelines, and disease prevention data. cdc.gov
  • •National Institutes of Health (NIH) — Medical research, clinical guidelines, and health calculators. nih.gov
  • •Mayo Clinic — Clinical health information, disease reference, and wellness guidance. mayoclinic.org

For a complete list of all references used across the site, visit our full sources page.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: WHO Health Metrics Standards

by World Health Organization

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.