<P> Barium sulfate suspension , often simply called barium , is a contrast agent used during X-rays . Specifically it is used to improve visualization of the gastrointestinal tract ( esophagus , stomach , intestines ) on plain X-ray or computed tomography . It is taken by mouth or used rectally . </P>
<P> Barium sulfate suspension , often simply called barium , is a contrast agent used during X-rays . Specifically it is used to improve visualization of the gastrointestinal tract ( esophagus , stomach , intestines ) on plain X-ray or computed tomography . It is taken by mouth or used rectally . </P>
what does barium do in a ct scan
what does barium do in a ct scan
improve visualization
improve visualization