Identifies children with minor head injury who may require CT according to the CATCH rule.
Overview
Identifies children with minor head injury who may require CT according to the CATCH rule.
Clinical Significance
Use as structured decision support in the validated population.
When to Use
- Use only when the published eligibility criteria are met.
How It Is Calculated
- MedicalC applies the published criteria and interpretation bands.
Interpretation
- Interpret alongside examination, investigations and current guidance.
Worked Example
Enter verified values for every field; MedicalC applies the published method.
Limitations
- Performance depends on correct eligibility and measurement.
Clinical Pearls
- Record individual inputs as well as the total result.
Common Mistakes
- Using the instrument outside its validated population.
Frequently Asked Questions
Can this result be used alone?
No. Integrate it with a complete clinical assessment.
References
- Osmond MH et al. CMAJ. 2010;182:341-348. — Primary or supporting reference.
Reviewed by: MedicalC Clinical Editorial Team
Last reviewed: July 2026