Doctors in Ontario use emergency CT less than in U.S

By Trevor Stokes NEW YORK (Reuters Health) – Emergency patients received nearly twice as many CT scans in the U.S. as in Ontario in recent years, according to a new study that also found use of the high-powered X-rays is rising in both countries. Doctors use CT scans to get a clearer image of the interior of the body than regular X-rays can provide, but the imaging is costly and exposes patients to higher levels of radiation – raising concern about cancer risks from repeated CTs, especially in children. …