Our goal in designing this study was to attempt to document a clinical means of evaluating patients with minor head injury, possibly reducing the cost of their evaluation. We hypothesized that ...

CT scans are a common test used by radiologists to examine what's happening inside the body. These scans use a small amount of radiation, raising concerns that they could cause cancer. Mark Supanich, ...

For patients with mild head injuries, CT scans are often ordered reflexively, even when validated tools suggest the risk of serious trauma is low. In most cases, the scan confirms what clinicians ...