A barium meal is a diagnostic test used to detect abnormalities of the esophagus, stomach and small bowel using X-ray imaging. X-rays can only highlight bone and other radio-opaque tissues and would ...

A barium swallow is a type of X-ray test that helps your doctor see the back of your mouth and throat (pharynx), and the tube that extends from the back of the tongue down to the stomach (esophagus).

A barium enema is a procedure that uses an X-ray to examine the lower gastrointestinal (GI) tract. It can help identify colorectal cancers and other conditions. Experts may also call barium enemas ...