Each year, the US performs more than 93 million computed tomography (CT) scans, many of which offer limited clinical value. For patients with mild head injuries, CT scans are often ordered reflexively ...

Please provide your email address to receive an email when new articles are posted on . CT head scans were ordered in approximately 175 million ED encounters. Patients who received scans were mainly ...

A older patient is guided into a CT scanner — an essential diagnostic tool whose life-saving power is now being weighed against growing concerns about long-term radiation exposure. Computed tomography ...