PECARN Blunt Abdominal Trauma Rule: Clinical Guide

Clinical guide to PECARN Blunt Abdominal Trauma Rule, including calculation, interpretation and limitations.

Identifies children at very low risk of intra-abdominal injury requiring acute intervention after blunt torso trauma.

Overview

Identifies children at very low risk of intra-abdominal injury requiring acute intervention after blunt torso trauma.

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

  1. Holmes JF et al. Ann Emerg Med. 2013;62:107-116.e2. — Primary or supporting reference.

Reviewed by: MedicalC Clinical Editorial Team
Last reviewed: July 2026

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