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.)Source: MedTerms™ Medical Dictionary
Last Editorial Review: 4/27/2011 5:27:15 PM
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