CHA₂DS₂-VASc Stroke Risk Score Calculator

Calculate CHA₂DS₂-VASc score for atrial fibrillation patients to determine anticoagulation benefit. Annual stroke risk percentage by score with DOAC recommendation.

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Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How to Use

Enter the values for the patient or scenario you are assessing. Calculate CHA₂DS₂-VASc score for atrial fibrillation patients to determine anticoagulation benefit. Annual stroke risk percentage by score with DOAC recommendation. Use the cha₂ds₂-vasc score result to inform your clinical assessment.

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Frequently Asked Questions