Table 31.

CHA₂DS₂‐VASc Score

	Risk factors	Score
C	Congestive heart failure/Left ventricular dysfunction	1
H	Hypertension	1
A2	Age ≥75 years	2
D	Diabetes mellitus	1
S2	Stroke/TIA/TE	2
V	Vascular disease (prior myocardial infarction, peripheral artery disease or aortic plaque)	1
A	Age 65–74 years	1
Sc	Sex category (ie., female sex)	1

Maximum score: 9.

Abbreviation: TE, thromboembolism; TIA, transient ischemic attack.

(Adapted from Lip GY, et al. 2010. ²⁴⁸ )