Stroke Risk Assessment
CHA2DS2-VASc is a risk assessment system developed by Lip et al., which refines the older CHADS2 score by including additional stroke risk factors and putting greater emphasis on age as a risk factor.1,2
Bleeding Risk Assessment
HAS-BLED was developed as a practical risk score to estimate the 1-year risk for major bleeding in patients with AF taking vitamin K antagonist (VKA).3
1. Lip GY et al. Chest 2010;137(2):263-72.
2. Camm AJ et al. Eur Heart J 2010;31:2369-2429.
3. Pisters, R et al. Chest 2010 Nov;138(5):1093-100.
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