Emergency Medicine · Pediatrics
PECARN Pediatric Head Trauma Low-Risk Criteria calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
PECARN head trauma criteria are applied within the selected age stratum (younger than 2 years versus 2 years or older).
Result
Complete all required inputs to calculate the score.
Formula 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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