what is upper gi w/o kub
An Upper Gastrointestinal (GI) is an x-ray examination of the pharynx, esophagus, stomach and first part of the small intestine. Learn about what to expect. An Upper Gastrointestinal (GI) is an x-ray examination of the pharynx, esophagus, stomach and first part of the small intestine (also known as the duodenum) that uses a special form of x-ray called fluoroscopy and a contrast material called barium. Patient Safety Tips Prior to a Diagnostic Exam in Radiology