Interactive CHA₂DS₂-VASc Score calculator for atrial fibrillation stroke risk. Requires the calculator gadget.
Usage: {{CHA2DS2VASc Calculator}}
CHA₂DS₂-VASc Score
CHA₂DS₂-VASc Score Calculator
| Criteria
|
No (0)
|
Yes
|
| Congestive heart failure (or LVEF ≤40%)
|
1
|
(+1)
|
| Hypertension
|
1
|
(+1)
|
| Age ≥75 years
|
1
|
(+2)
|
| Diabetes mellitus
|
1
|
(+1)
|
| Stroke/TIA/thromboembolism
|
1
|
(+2)
|
| Vascular disease (prior MI, PAD, aortic plaque)
|
1
|
(+1)
|
| Age 65–74 years
|
1
|
(+1)
|
| Sex category (female)
|
1
|
(+1)
|
| CHA₂DS₂-VASc Score
|
/ 9
|
| Interpretation
|
| 0
|
Low Risk — 0.2% annual stroke risk (males). Anticoagulation generally not recommended.
|
| 1
|
Low-Moderate Risk — 0.6% annual stroke risk (males). Consider anticoagulation (esp. if not due to female sex alone).
|
| ≥2
|
Moderate-High Risk — ≥2.2% annual stroke risk. Oral anticoagulation recommended.
|
| References
|
- Lip GY, Nieuwlaat R, Pisters R, et al. Refining clinical risk stratification for predicting stroke and thromboembolism in atrial fibrillation using a novel risk factor-based approach: the Euro Heart Survey on Atrial Fibrillation. Chest. 2010;137(2):263-272. PMID 19762550.
- January CT, Wann LS, Calkins H, et al. 2019 AHA/ACC/HRS Focused Update of the 2014 Guideline for Management of Patients With Atrial Fibrillation. J Am Coll Cardiol. 2019;74(1):104-132. PMID 30703431.
|
