How does a patient prepare for an upper GI series, and how is it performed?
A radiology technologist guides the patient through the upper GI series along with a radiologist (a physician trained in performing and interpreting x-rays). Because an upper GI series involves interpreting images of the gastrointestinal system, it is important that any materials or objects internally or externally that could potentially interfere with interpretation of the x-ray film be avoided. Therefore, prior to an upper GI series, patients are requested not to eat or drink anything from four to eight hours before the procedure. Patients also are asked to remove extraneous clothing and all metallic objects such as jewelry. • A patient will be positioned behind X-ray equipment called a fluoroscope for X-ray exposure. • The patient then is asked to swallow a liquid that contains barium. The barium fills and then coats the lining of the intestinal tract making the adjacent esophagus, stomach and duodenum visible. (X-rays of the stomach and intestine done without barium provide very li
