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Emergency Medicine · Paediatrics

PECARN Pediatric Head Trauma Low-Risk Criteria calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Age group

PECARN head trauma criteria are applied within the selected age stratum (younger than 2 years versus 2 years or older).

Result

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Clinical inputs

  • Age group
  • Glasgow Coma Scale score less than 15
  • Palpable skull fracture
  • Altered mental status
  • Non-frontal scalp hematoma
  • History of loss of consciousness
  • Severe mechanism of injury
  • Not acting normally per parent report
  • Signs of basilar skull fracture
  • Severe headache
  • Vomiting

Primary source

Kuppermann N et al. Identification of children at very low risk of clinically-important brain injuries after head trauma: a prospective cohort study. Lancet. DOI: 10.1016/S0140-6736(09)61558-0. PMID: 19758692. Scope: binary output 0 when no age-stratum PECARN high-risk criterion is present (GCS<15, skull fracture/basilar signs, AMS, scalp hematoma pattern, LOC, severe mechanism, parental concern or headache/vomiting in older children). (2009)

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