Our Upper GI Series (Barium Swallow) Main Article provides a comprehensive look at the who, what, when and how of Upper GI Series (Barium Swallow)

Definition of 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.)


Last Editorial Review: 8/28/2013

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