Upper gastrointestinal series

Upper Gastrointestinal Series

The Upper Gastrointestinal Series (UH-per GAS-troh-in-TES-tih-nul SEER-eez), often referred to as the upper GI series, is a diagnostic imaging procedure that involves capturing a series of x-ray pictures of the esophagus, stomach, and duodenum (the initial segment of the small intestine).

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An x-ray image from an Upper Gastrointestinal Series.

Procedure

During the test, the patient is required to consume a liquid solution that contains barium sulfate. This compound is a derivative of the silver-white metallic element, barium. After ingestion, the barium sulfate functions as a contrast medium, effectively coating the internal lining of the upper gastrointestinal tract. This coating enhances the visibility of the tract's inner walls on the x-ray images, allowing potential abnormalities or issues to be identified with greater clarity.

Purpose

The Upper Gastrointestinal Series is utilized to:

• Diagnose abnormalities or diseases in the upper gastrointestinal tract.
• Investigate symptoms like persistent abdominal pain, nausea, vomiting, or difficulty swallowing.
• Examine conditions such as ulcers, tumors, or inflammation in the esophagus, stomach, or duodenum.

Risks and Considerations

While the procedure is generally considered safe, there may be minor side effects related to the consumption of the barium sulfate solution, including constipation or white-colored stools. Patients are advised to increase fluid intake post-procedure to help expel the barium from the system.

See Also

• X-ray
• Barium Sulfate
• Esophagus
• Stomach
• Duodenum

References

Upper gastrointestinal series Resources
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