Abstract
Minor head trauma is a common reason for children to visit the emergency department (ED), but the vast majority of computed tomography (CT) scans are negative. Researchers prospectively compared and externally validated three clinical decision rules aimed at reducing avoidable CT: PECARN (Pediatric Emergency Care Applied Research Network), CATCH (Canadian Assessment of Tomography for Childhood Head Injury), and CHALICE (Children's Head Injury Algorithm for the Prediction of Important Clinical Events). …
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