For clinical reference only — does not replace local trust guidelines or clinical judgement.
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CHA₂DS₂-VASc
Estimates stroke risk in patients with atrial fibrillation
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Congestive heart failure / LV dysfunction
+1
Hypertension
+1
Age ≥ 75
+2
Age 65–74
+1
Diabetes mellitus
+1
Previous stroke / TIA / thromboembolism
+2
Vascular disease (MI, PAD, aortic plaque)
+1
Sex category — female
+1
Interpretation
Score
0
No anticoag
Low stroke risk — anticoagulation not routinely recommended.
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