CHA₂DS₂-VASc Score

Scores annual stroke risk in non-valvular atrial fibrillation and maps guideline anticoagulation recommendations to the result.

What you enter

• Congestive heart failure / LV dysfunction
• Hypertension
• Age
• Diabetes mellitus
• Prior stroke / TIA / thromboembolism (+2)
• Vascular disease (MI, PAD, aortic plaque)
• Female sex

Reference

Lip GY et al., Chest 2010; annual rates per Friberg 2012

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All 63 clinical calculators

Educational decision-support tools. They do not replace clinical judgment, local protocols or specialist advice: verify results before acting on them.