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Fluoroscopy is a form of diagnostic radiology that enables the radiologist, with the aid of a contrast agent, to visualize an organ or region of concern with x-rays. Contrast agent used in Fluoroscopy allows the image to be viewed clearly on a monitor. The contrast agent may be introduced into the body through injection, swallowing or enema.

Fluoroscopy Testing

Fluoroscopy tests consist of a series of images taken by the radiologist and technologist. There may be special preparation required for a fluoroscopy procedure which is discussed when the exam is scheduled.

Barium Enema: The barium enema, or colon X-ray, is used to detect changes or abnormalities in your colon. During the exam, liquid barium, and in some cases air, is inserted into your colon through the rectum. This is done to improve the view of your colon by an X-ray machine. This test allows your doctor to examine your colon for: ulcers, narrowed areas (strictures), polyps, small pouches in the wall (diverticula), cancer, or other abnormalities.

GI Series: The upper gastrointestinal (GI) series uses x-rays to diagnose problems in the esophagus, stomach, and duodenum (first part of the small intestine). It may also be used to examine the small intestine. The upper GI series can show a blockage, abnormal growth, ulcer, or a problem with the way an organ is working. Similar procedures performed include: GI with Air Contrast Series, GI/Small Bowel with Air contrast Series, GI/Small Bowel Series, and Esophagram.

For a more detailed explanation of x-rays, visit, the public information Web site developed and funded by the American College of Radiology (ACR) and the Radiological Society of North America (RSNA).