PECARN Head Injury Rule

Decision rule for pediatric head trauma CT necessity.

Medical Disclaimer

This tool is for educational and screening purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

CLINICAL HEAD INJURY ALGORITHM

PECARN criteria are used to determine the risk of clinically-important traumatic brain injury (ciTBI) and avoid unnecessary CT scans in children.

Age < 2 years

Age ≥ 2 years

Algorithm Visualizer

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About PECARN Head Injury Rule

The PECARN Head Injury Rule is a widely recognized clinical decision support tool developed to guide the evaluation of pediatric patients presenting with head trauma. It assists clinicians, primarily in emergency departments, in determining the necessity of head CT imaging for children under 18 years old. By stratifying risk based on specific age-dependent clinical criteria (e.g., altered mental status, signs of skull fracture), the rule aims to safely reduce unnecessary radiation exposure from CT scans. This evidence-based tool minimizes associated risks, optimizes resource utilization, and enhances patient care by supporting precise, data-driven decisions in the management of pediatric head injuries.

Medical Disclaimer

CLINICAL HEAD INJURY ALGORITHM

PECARN criteria are used to determine the risk of clinically-important traumatic brain injury (ciTBI) and avoid unnecessary CT scans in children.

Algorithm Visualizer