The CHA₂DS₂-VASc score is a clinical tool used to assess the risk of stroke in patients with atrial fibrillation (AFib). It evaluates risk factors such as congestive heart failure, hypertension, age, diabetes, stroke history, vascular disease, and sex.
CHA₂DS₂-VASc Score Calculator
CHA₂DS₂-VASc Scoring System:
| Risk Factor | Points |
|---|---|
| Congestive Heart Failure | 1 |
| Hypertension | 1 |
| Age ≥75 | 2 |
| Age 65-74 | 1 |
| Diabetes | 1 |
| Stroke/TIA/Thromboembolism | 2 |
| Vascular Disease | 1 |
| Sex (Female) | 1 |
Interpretation of CHA₂DS₂-VASc Score:
| Score | Stroke Risk |
|---|---|
| 0 | Low risk (0% annual stroke risk) |
| 1 | Low to moderate risk (~1.3% annual risk) |
| 2 | Moderate risk (~2.2% annual risk) |
| 3 | High risk (~3.2% annual risk) |
| 4 | High risk (~4.0% annual risk) |
| 5 | High risk (~6.7% annual risk) |
| ≥6 | Very high risk (~9.8% annual risk) |