CHA₂DS₂VASc Calculator - MedSchool
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CHA₂DS₂VASc is a modified version of CHADS₂, a scoring system used for estimating ischaemic stroke risk in patients with atrial fibrillation.
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  • 0: no prophylaxis / aspirin (0.2% risk)
  • 1: aspirin / warfarin (0.6% risk)
  • ≥2: warfarin (>3% risk)
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