Evaluation of pediatric head trauma, especially the decision to obtain advanced imaging has significant risk/benefit trade-offs. Three major studies have been performed to aid the emergency physician and parents in this decision.


  • Canadian Assessment of Tomography for Childhood Head Injury
  • CATCH: a clinical decision rule for the use of computed tomography in children with minor head injury. Osmond et. al. CMAJ. 182(4) 341-348, 2010
  • Objective: Prospectively Derive an accurate and reliable clinical decision rule for the use of CT for children with minor head injury
  • Enrolled 3866 pts from 10 Canadian hospitals wi