Cardiovascular

CHA₂DS₂-VASc Score Calculator

Stroke risk stratification in atrial fibrillation

Clinical use

Use this calculator for stroke risk stratification in atrial fibrillation in thecardiovascular workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.

Interpretation

Score ≥2 (male) or ≥3 (female): OAC recommended per ESC/NHFA guidelines. Score 1 (male) or 2 (female): consider OAC. DOACs preferred over warfarin for non-valvular AF.

Required inputs

Age
Sex
CHF History
Hypertension
Stroke Tia History
Vascular Disease
Diabetes

Evidence and limitations

This page cites 2 published references. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.

References

Lip GY et al. Chest 2010;137:263-272
2023 ACC/AHA/ACCP/HRS AFib Guideline

Frequently asked questions

What is the CHA₂DS₂-VASc Score?

CHA₂DS₂-VASc Score is a clinical calculator used for Stroke risk stratification in atrial fibrillation.

How do I interpret the CHA₂DS₂-VASc Score?

Score ≥2 (male) or ≥3 (female): OAC recommended per ESC/NHFA guidelines. Score 1 (male) or 2 (female): consider OAC. DOACs preferred over warfarin for non-valvular AF.