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Child’s head injury doesn’t always need CT scan
USA Today

Children rushed to emergency rooms with minor head trauma often get unneeded CT scans that expose them to high levels of radiation, a new study indicates. Researchers analyzed the outcomes of more than 40,000 children treated for minor blunt head trauma at 25 U.S. emergency departments between June 2004 and September 2006. They found that four to six hours of clinical observation significantly reduced the use of cranial CT, a neuro-imaging test for traumatic brain injuries, without compromising care.

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