barium swallow

Summary A barium swallow is a medical imaging procedure used to examine the upper GI (gastrointestinal) tract, which includes the oesophagus and, to a lesser extent, the stomach.
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Barium swallow n. See upper GI series. Barium swallow Barium is used to coat the throat in order to take x-ray pictures of the tissues lining the [more]Barium swallow - Community and Resources

An upper gastrointestinal series (barium swallow) is an X-ray test used to define the anatomy of the upper digestive tract. Women who are or may be pregnant should notify the doctor requesting the procedure and the radiology staff. The test involves filling the esophagus, stomach, and small intestines with a white liquid material (barium).

A series of x-rays of the esophagus. The x-ray pictures are taken after the person drinks a solution that contains barium. The barium coats and outlines the esophagus on the x-ray. Also called an esophagram.