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Related to upper GI series: hiatal hernia, upper GI endoscopy
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Angiography, upper GI series and Tc-labelled isotope scanning are less utilised owing to high sensitivity of CT scan.
Diagnostic testing may first consist of an upper GI series to diagnose surgically correctable anatomic abnormalities (eg, tracheoesophageal fistula, pyloric stenosis, achalasia, hiatal hernia, esophageal stricture) (45,46) The highest estimates of sensitivity and specificity of the upper GI series for the definitive diagnosis of GERD in pediatric patients are 50%, as reported in the medical literature.
CHICAGO -- Adding food provocation to a standard upper GI series may better characterize alimentary tract dysfunction and guide therapy, compared with use of liquid barium alone, according to a study presented at the annual meeting of the Radiological Society of North America.
An upper GI series is an x-ray examination of your upper gastrointestinal tract, including the esophagus, stomach and part of the small intestine.

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