Launched on 6th of October 2026

Atrial fibrillation

CHA₂DS₂-VASc / CHA₂DS₂-VA

Stroke risk stratification in non-valvular AF. The 2024 ESC guideline uses CHA₂DS₂-VA (sex removed); both values are shown and the decision guide uses CHA₂DS₂-VA.

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Age
Sex
Additional criteria
Tap every item that applies
  • Female sex is a risk modifier rather than a risk factor; ESC 2024 removed it from the decision score.
Total 0 · CHA₂DS₂-VA 0
0
Low stroke risk
Annual stroke/TE ≈ 0–0.5% untreated
Decision guide
Oral anticoagulation not recommended. Reassess risk regularly (age, new comorbidities).
2 sections are still unanswered — counted as 0 points.
Ranges: 0 Low stroke risk1 Intermediate stroke risk2–9 High stroke risk