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Health A-Z

Medical Content Created by the Faculty of the
Harvard Medical School

Upper Endoscopy (esophagogastroduodenoscopy)

What is the test?

This test inspects your esophagus and stomach using an endoscope. An upper endoscopy allows the doctor to explore the cause of such symptoms as difficulty swallowing, abdominal pain, vomiting up blood, or passing blood in the stool. It can also diagnose irritation, ulcers, and cancers of the lining of the esophagus and stomach. During this type of endoscopy, the doctor can also take biopsy samples of tissue.

From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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