Definition: Exam of the upper digestive tract using an endoscope. An esophagoscopy is a procedure to view the inside of the esophagus. A gastroscopy is a procedure to view the inside of the stomach. A duodenoscoy is a procedure to view the inside of the duodenum, the first part of the small intestine. These procedures are performed as a single procedure, usually by a gastroenterologist, and are collectively referred to as an upper endoscopy or esophagogastroduodenoscopy.
Pronunciation: eh-SAW-fuh-goh-GAH-stroh-doo-AW-duh-NAW-skuh-pee
