CHA2DS2vascscore (Estimates the Annual Risk of Stroke or Systemic Thromboembolism in Non-Valvular AF)
| Variable | Score | |
|---|---|---|
| C | Congestive heart failure or left ventricular systolic dysfunction | 1 for yes |
| H | Blood pressure consistently above 140/90 mmHg (or treated hypertension on medication) | 1 for yes |
| A2 | Age >75 years | 2 for yes |
| D | Diabetes mellitus | 1 for yes |
| S2 | Prior stroke or TIA or systemic thromboembolism | 2 for yes |
| V | Vascular disease (peripheral arterial disease, coronary artery disease, aortic atheroma) | 1 for yes |
| A | Age 65–74 years | 1 for yes |
| Sc | Sex category | 1 for female |
Total score (as age <65 scores 0, age 65–74 scores 1 and age ≥75 scores 2) | 0–9 |