Pediatrics / Emergency Medicine calculators

Explore validated-style scores and utilities commonly used in Pediatrics / Emergency Medicine. Follow links for full references, limitations, and the interactive calculator.

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CHALICE Rule (Children's Head Injury)
CT decision rule for children with head injury.
Diagnostic Scores · Updated 4/13/2026
PECARN Cervical Spine Injury Prediction Rule
Pediatric C-spine injury risk stratification support.
Clinical Decision Rules · Updated 4/13/2026
PECARN Pediatric Intra-Abdominal Injury (IAI) Algorithm
Rule to identify very low risk of clinically important IAI.
Clinical Decision Rules · Updated 4/13/2026
PeDSRC Rule (Pediatric Surgery Research Collaborative) - Blunt Abdominal Trauma
Pediatric blunt abdominal trauma low-risk rule support.
Clinical Decision Rules · Updated 4/13/2026
Shock Index Pediatric Age-Adjusted (SIPA)
Age-adjusted shock index in children.
General Calculators · Updated 4/13/2026

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