Common Diagnostic of Barium X-ray Studies a). Body area tested: Esophagus, Stomach, duodenum, intestine. b). Description: X-ray study to detect ulcers, tumors, or other abnormalities. What does a barium swallow test show? A barium swallow is a test that may be used to determine the cause of painfulswallowing, difficulty with swallowing, abdominal pain, bloodstained vomit, or unexplained weight loss. Barium sulfate is a metallic compound that shows up on X-rays and is used to help see abnormalities in the esophagus and stomach. Where is a barium swallow test performed? A barium swallow may be performed separately or as part of an upper gastrointestinal (UGI) series, which evaluates the esophagus, stomach, and duodenum (first part of the small intestine).
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