C2HEST Score (Incident Atrial Fibrillation)

Scores the C2HEST risk of new atrial fibrillation (0 to 8) from six conditions, with its risk group and yearly rate.

Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Structural heart disease
No
Coronary artery disease
Yes
COPD
No
Hypertension
Yes
Age 75 or older
Yes
Systolic heart failure
No
Hyperthyroidism
No

Result: C2HEST 4 of 8: high risk of incident atrial fibrillation (15.98% per year in the derivation cohort).

The tool opens with these values already filled in. Replace them with your own.

What you enter

  • Structural heart disease
  • Coronary artery disease
  • COPD
  • Hypertension
  • Age 75 or older
  • Systolic heart failure
  • Hyperthyroidism
How this is calculated

Citation

Li YG, Pastori D, Farcomeni A, et al. A simple clinical risk score (C2HEST) for predicting incident atrial fibrillation in Asian subjects. Chest. 2019;155(3):510-518. Read the source ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

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Built by Clay Good. Source on GitHub.