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: 8/28/2013
Medical Dictionary Definitions A - Z
Search Medical Dictionary
Digestive Disorders Resources
- Are Antidiarrheals Safe for IBS?
- Is It Okay to Take a Stool Softener Every Day?
- Serious Digestive Disorders in Children