CHA2DS2-VASc

Also known as

• CHADS-VASc

Calculates stroke risk for patients with atrial fibrillation, possibly better than the CHADS₂ Score.

CHA2DS2-VASc Score	Stroke Risk %	95% CI
0	0	-
1	1.3	-
2	2.2	-
3	3.2	-
4	4.0	-
5	6.7	-
6	9.8	-
7	9.6	-
8	12.5	-
9	15.2	-

C 
 Congestive heart failure (or Left ventricular systolic dysfunction)
1 H
 Hypertension: blood pressure consistently above 140/90 mmHg (or treated hypertension on medication)
1 A₂
 Age ≥75 years
2 D
 Diabetes Mellitus
1 S₂
 Prior Stroke or TIA or thromboembolism
2 V
 Vascular disease (e.g. peripheral artery disease, myocardial infarction, aortic plaque)
1 A
 Age 65–74 years
1 Sc
 Sex category (i.e. female sex)
1