Combined CHA₂DS₂-VASc and HAS-BLED Calculator
Estimate stroke risk and bleeding risk in atrial fibrillation
CHA₂DS₂-VASc
Stroke risk assessment for atrial fibrillation
HAS-BLED
Major bleeding risk assessment
CHA₂DS₂-VASc Score
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HAS-BLED Score
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References
- Lip, G. Y. H., Nieuwlaat, R., Pisters, R., Lane, D. A., & Crijns, H. J. G. M. (2010). Refining clinical risk stratification for predicting stroke and thromboembolism in atrial fibrillation using a novel risk factor-based approach: The Euro Heart Survey on atrial fibrillation. Chest, 137(2), 263–272. https://doi.org/10.1378/chest.09-1584
- Pisters, R., Lane, D. A., Nieuwlaat, R., de Vos, C. B., Crijns, H. J. G. M., & Lip, G. Y. H. (2010). A novel user-friendly score, HAS-BLED, to assess 1-year risk of major bleeding in patients with atrial fibrillation: The Euro Heart Survey. Chest, 138(5), 1093–1100. https://doi.org/10.1378/chest.10-0134
- Gage, B. F., Waterman, A. D., Shannon, W., Boechler, M., Rich, M. W., & Radford, M. J. (2001). Validation of clinical classification schemes for predicting stroke: Results from the National Registry of Atrial Fibrillation. JAMA, 285(22), 2864–2870. https://doi.org/10.1001/jama.285.22.2864
- January, C. T., Wann, L. S., Calkins, H., Chen, L. Y., Cigarroa, J. E., Cleveland, J. C., Jr., Ellinor, P. T., Ezekowitz, M. D., Field, M. E., Furie, K. L., Heidenreich, P. A., Murray, K. T., Shea, J. B., Tracy, C. M., & Yancy, C. W. (2019). 2019 AHA/ACC/HRS focused update of the 2014 AHA/ACC/HRS guideline for the management of patients with atrial fibrillation. Circulation, 140(2), e125–e151. https://doi.org/10.1161/CIR.0000000000000665
- Joglar, J. A., Chung, M. K., Armbruster, A. L., Benjamin, E. J., Chyou, J. Y., Cronin, E. M., Deswal, A., Eckhardt, L. L., Goldberger, Z. D., Gopinathannair, R., Gorenek, B., Hess, P. L., Hlatky, M., Hogan, G., Ibeh, C., Indik, J. H., Kido, K., Kusumoto, F., Link, M. S., ... Wyse, D. G. (2024). 2023 ACC/AHA/ACCP/HRS guideline for the diagnosis and management of atrial fibrillation. Circulation, 149(1), e1–e156. https://doi.org/10.1161/CIR.0000000000001193