Upper

Upper gastrointestinal series is a series of radiographs used to examine the gastrointestinal tract for abnormalities. A contrast medium, usually a radiocontrast agent such as barium sulfate mixed with water, is ingested or instilled into the gastrointestinal tract, and X-rays are used to create radiographs of the structures.

Procedure

The patient swallows a contrast agent such as barium, which coats the esophagus, stomach, and small intestine. This allows the radiologist to view and assess the anatomy and function of these structures. The esophagus, stomach, and duodenum are evaluated from various angles using a fluoroscope, and images are taken.

Uses

The upper gastrointestinal series is used to examine the esophagus, stomach, and duodenum for conditions such as ulcers, tumors, hiatal hernias, scarring, blockages, and abnormalities of the muscular wall.

Risks

The procedure carries a slight risk of exposure to radiation. However, the benefits of detection of problems often outweigh the risks of radiation exposure. Other risks include allergic reaction to the contrast agent, aspiration of barium, and constipation or blockage in the bowel from barium impaction.

See also

• Barium swallow
• Barium meal
• Fluoroscopy
• Radiology
• Gastroenterology

Upper Resources
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