What is a Gastroscopy?

Gastroscopy is an examination of the esophagus, stomach, and duodenum which is the first part of the small bowel. Gastroscopy is a safe procedure and a very valuable tool for seeing what is going on in this part of your body.  A gastroscope is a special kind of endoscope. The gastroscope is a flexible plastic tube approximately four feet long and one half inch wide. The gastroscope contains optic fibers with a light source that allow the gastroscope to function like a video camera. The doctor uses the gastroscope to see the swallowing tube (esophagus), stomach, and part of the small intestines (duodenum). The gastroscope also has a hollow channel or tunnel throughout its entire length. The tunnel provides a way for the doctor to give medications or biopsy (take a sample) of the swallowing tube, stomach, or small intestines to diagnose and treat certain conditions. They can also remove polyps through the gastroscope as well.

The tube is inserted through your mouth, down your esophagus and into your stomach.  It is very important that you as the patient having the test, you do not have anything to eat or drink after midnight the day prior to your test. It is very important that your stomach be empty for the examination.