Purpose of Endoscopy The purpose of endoscopy is to view the internal organs of your body without surgery. Endoscopy is usually employed in case of - Stomach ache - Gastritis - Ulcers - Dysphagia i.e. difficulty in swallowing - Diarrhea - Constipation - Colon polyps - Bleeding - Heartburn Procedure of Endoscopy In this procedure, no incision is made. A narrow and long steel or plastic tube is inserted into your body through your esophagus. Gradually, the tube is moved forward until it reaches the desired position. The tube has a small camera fixed which directs video-imaging to the projector screen. The doctors view the insides to reach a diagnosis. Risk of Endoscopy - Perforation - Bleeding - Infection - Allergic-reaction to anesthesia - Over-sedation - Pain