Tag: CT

  • Traumatic brain injury in children

    Most children with significant brain injury spend time in a PICU. Like most experienced pediatric intensivists, I have seen hundreds of these children over the years, with dozens at least in the severe category. In one sense the term “traumatic brain injury” has limited usefulness because it covers such a wide range of injuries, from…

  • CT scans and radiation risk

    I’ve written before about the radiation risk of x-ray studies. Most of this risk is in the form of increased lifetime cancer risk. This is a particular concern for children because lifetime risk is cumulative, and children have much more of their life before them. Computed tomographic scans, or CT scans, use several hundred times…

  • Are x-rays completely safe?

    Doctors do a lot of x-rays on children. Is there a risk to that, or are x-rays completely safe? The answer, for chest, bone, and abdominal x-rays, is that they are very, very, very safe, but not totally risk-free. All of us are constantly exposed to radiation similar to x-rays. It comes primarily from naturally-occurring…