upper GI series(redirected from Upper Gastrointestinal and Small Bowel Series)
Also found in: Medical.
upper GI series(jē′ī′)
A radiological study in which a solution containing barium sulfate is swallowed, allowing visualization of the upper gastrointestinal tract including the esophagus, stomach, and duodenum. Also called barium swallow.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.