What is fluoroscopy of the digestive tract?
Fluoroscopy is a form of X-ray machine that lets doctors study parts of the body in motion and record it on a video monitor. You get barium or an iodine-containing agent, along with the X-rays. You may hear it called "an upper GI" or a "lower GI," depending on the part of your digestive tract that your doctor is checking. You may get these tests done in a doctor's office, a commercial X-ray facility, or a hospital.
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