Atrial fibrillation
CHA₂DS₂-VA score
Stroke risk in atrial fibrillation (ESC 2024)
- Results update as you type
- For healthcare professionals
Calculator
CHA₂DS₂-VA
7 inputs · instant result
About this calculator
Estimates stroke risk in atrial fibrillation to guide oral anticoagulation. The 2024 ESC guidelines use CHA₂DS₂-VA, which no longer counts female sex. The older CHA₂DS₂-VASc score is shown alongside.
Points
| Item | Points |
|---|---|
| Congestive heart failure | 1 |
| Hypertension | 1 |
| Age 75 or over | 2 |
| Diabetes | 1 |
| Stroke, TIA or thromboembolism | 2 |
| Vascular disease | 1 |
| Age 65 to 74 | 1 |
| Female sex (CHA₂DS₂-VASc only) | 1 |
How to read the result
| Result | Meaning |
|---|---|
| 0 | Oral anticoagulation not needed for stroke prevention |
| 1 | Oral anticoagulation should be considered |
| 2 or more | Oral anticoagulation is recommended |
References
- Van Gelder IC, et al. 2024 ESC Guidelines for the management of atrial fibrillation. Eur Heart J. 2024;45:3314-3414.
- Lip GYH, et al. Refining clinical risk stratification for predicting stroke and thromboembolism in atrial fibrillation using a novel risk factor-based approach. Chest. 2010;137:263-272.
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Recorded lecture New
Atrial Fibrillation: Rate, Rhythm and Anticoagulation
Dr. Meera Iyer
Atrial Fibrillation
