Upper gastrointestinal series
Upper GI series
Upper GI series
A series of x-rays of the esophagus, stomach, and small intestine (upper gastrointestinal, or GI, tract) that are taken after the patient drinks a barium solution. (Barium is a white, chalky substance that outlines the organs on the x-ray.)
upper GI series
A series of x-rays of the upper digestive (gastrointestinal, or GI) system that are taken after a person drinks a barium solution, which outlines the digestive organs on the x-rays.