Stories about: clinical practice

The power of numbers: Rules for reining in the use of CT scans

When does a trauma patient need a CT scan? Clinical rules could help doctors decide, and in the process help reduce a child's lifetime radiation exposure. (Image: Andrew Ciscel/Flickr)

The use of computed tomography (CT) scans has dramatically changed the practice of medicine in the past two decades. Patients with abdominal pain are no longer routinely admitted for serial abdominal exams to evaluate for appendicitis, because now we can just get the CT. Children with head trauma may need less hospital observation time in the emergency department (ED), because we can just get the CT.

But “just getting the CT” comes with costs, not just medical healthcare dollars spent but the costs associated with lethal malignancies in the future caused by the radiation used in the course of CTs.

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