Cardiology

CHA₂DS₂-VASc

Estimate annual stroke risk in non-valvular atrial fibrillation and guide anticoagulation.

Version 2010

Inputs

Congestive heart failure / LV dysfunction

Hypertension

Age

Diabetes mellitus

Prior stroke, TIA or thromboembolism (2)

Vascular disease (MI, PAD, aortic plaque)

Female sex

CHA₂DS₂-VASc

Low risk — anticoagulation is not routinely indicated; reassess annually.

Formula

CHF 1, Hypertension 1, Age ≥ 75 = 2, Diabetes 1, Stroke/TIA = 2, Vascular disease 1, Age 65-74 = 1, Female sex 1

Chest · 2010

Demo content. Educational decision support only. Verify every dose, citation and recommendation against your national formulary and the primary source before clinical use.