Question: what is upper gi with kub?
Answer: An upper gastrointestinal series (UGI) is a radiographic (X-ray) examination of the upper gastrointestinal (GI) tract. The esophagus, stomach, and duodenum (first part of the small intestine) are made visible on X-ray film by a liquid suspension. This liquid suspension may be barium or a water-soluble contrast.