Upper gastrointestinal photography examination

Upper gastrointestinal photography is a special type of x-ray examination that covers the esophagus, stomach, and duodenum. In order for these areas to appear on the x-ray, the subject must take a developer—barium Agent, which is a white milky thick liquid, which temporarily adheres to the inner wall of the gastrointestinal tract and appears white on x-rays.

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