Cha2ds2 VASC Calculator
Use the Cha2ds2 VASC Calculator for a transparent, instant calculation with validated inputs and cited sources. For a query such as “chads ii”, enter the matching values and units below and review the stated assumptions. The same model applies to the related search “chads ii vasc” only when it uses the displayed inputs and assumptions.
How to use this calculator
Enter the requested values and units.
Review the assumptions and any warnings shown with the result.
Use the result together with the cited source and your real-world requirements.
Formula
Add the labeled CHA₂DS₂-VASc point values for the entered factors; return the total score without converting it into treatment advice.
Worked example
Worked example: Inputs: C — Heart failure/LV dysfunction: 0 — No: heart failure or left-ventricular dysfunction is absent; H — Hypertension: 0 — No: hypertension is absent; A₂/A — Age category: 0 — Younger than 65; D — Diabetes mellitus: 0 — No: diabetes mellitus is absent; S₂ — Prior stroke/TIA/systemic embolism: 0 — No prior stroke, TIA, or systemic embolism; V — Vascular disease: 0 — No: prior MI, peripheral artery disease, or aortic plaque is absent; Sc — Female sex category in the original score: 0 — No: female sex category is absent. Outputs: Total score: 0.
Assumptions and limits
- The result depends on the values, units, and assumptions entered. It does not infer missing context.
- Review the assumptions and any warnings shown with the result.
Sources
- American College of Cardiology and American Heart Association: 2023 Guideline for the Diagnosis and Management of Atrial FibrillationReference material reviewed for the stated method, units, or domain. Confirm that its scope matches your use case. Reviewed 2026-08-14.
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Frequently asked questions
How does the Cha2ds2 VASC Calculator work?
Add the labeled CHA₂DS₂-VASc point values for the entered factors; return the total score without converting it into treatment advice.
What should I enter?
C — Heart failure/LV dysfunction, H — Hypertension, A₂/A — Age category, D — Diabetes mellitus, S₂ — Prior stroke/TIA/systemic embolism, V — Vascular disease, Sc — Female sex category in the original score
What should I verify?
Review the assumptions and any warnings shown with the result. The result depends on the values, units, and assumptions entered. It does not infer missing context.
Last updated 2026-08-14 · cha2ds2-vasc-labeled-v2 · opportunity-content-2026-08-14 · Trusty Calculator Editorial Team