Cardiology
CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk
Calculates stroke risk for patients with atrial fibrillation.
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Parameters
CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk Result
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Formula
Sum of clinical points.Clinical Pearls
Guidelines recommend oral anticoagulation for score ≥2 in men or ≥3 in women.
Normal Values / Reference
A score of 0 represents a "Low Risk" (normal) state where anticoagulation is generally not indicated (except optionally in some female patients where female sex is the only risk factor).
Limitations
Not for use in patients with mechanical heart valves or moderate-to-severe mitral stenosis.