An upper GI endoscopy or EGD (esophagogastroduodenoscopy) is a procedure to diagnose and treat problems in your upper GI tract (gastrointestinal tract).
An upper gastrointestinal series is an imaging test of your esophagus, stomach, and first part of your small intestine (duodenum). The test is done with X-rays after you swallow a special beverage. The beverage contains either contrast or a powder called barium.
CT scan is a type of imaging test. It uses X-rays and computer technology to make images or slices of the body. A CT scan can make detailed pictures of any part of the body, including the bones, muscles, fat, organs, and blood vessels. They are more detailed than regular X-rays....more