OverviewThe procedure called gastroscopy involves the placing of an endoscope (a small flexible tube with a camera and light) into the stomach and duodenum to search for abnormalities. Tissue samples may be obtained to check for H. pylori bacteria, a cause of many peptic ulcers. An actively bleeding ulcer may also be cauterized (blood vessels are sealed with a burning tool) during a gastroscopy procedure.
Update Date 7/18/2013
Updated by: George F. Longstreth, MD, Department of Gastroenterology, Kaiser Permanente Medical Care Program, San Diego, California. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.