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Prediction rule
CT should not be relied on for cases of isolated vomiting in children with blunt head trauma
  1. Thierry A G M Huisman
  1. Department of Radiology and Radiological Science, Johns Hopkins Hospital, Baltimore, Maryland, USA
  1. Correspondence to : Dr Thierry A G M Huisman, Department of Radiology and Radiological Science, Johns Hopkins Hospital 1800 Orleans Street, Suite 4174, Baltimore, MD 21287-0842, USA; thuisma1{at}

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Accurate emergency diagnostic work up of children who have sustained a minor traumatic brain injury (TBI) is challenging. In most cases, symptoms are non-specific and may include episodes of altered or transient loss of consciousness, irritability, sleepiness or headache. Each physician must decide if clinical observation is sufficient to exclude intracranial complications or if a more aggressive diagnostic approach, including neuroimaging (eg, CT) should be pursued. The growing awareness of radiation-induced side effects urges each physician to take full advantage of the clinical findings. The current paper suggests that a history of vomiting is linked to an increased prevalence of TBI seen on CT, while the absence of vomiting is coupled with a decreased prevalence of TBI on CT. The desire to have an easy, safe, practical and reproducible diagnostic sign …

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