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Upper Endoscopy & Endoscopic Ultrasound

Upper Endoscopy & Endoscopic Ultrasound

St. Mary's Endoscopy Suite Treatment & Procedures
Upper Endoscopy & Endoscopic Ultrasound

Your doctor has requested that you have an esophagoscopy to view your esophagus, a gastroscopy to view your stomach and/or a duodenoscopy to view your duodenum (part of the small bowel).  This video will provide additional information about your Upper Endoscopy procedure.

Esophagastroduodenoscopy (frequently called E.G.D. or "endoscopy"), refers to the examination of all three of these areas. EUS is an exam to view your upper and lower gastrointestinal tract, as well as the study of the internal organs that lie next to the GI tract such as the gallbladder and pancreas.


To insure a clear view, the stomach must be empty. It is important that you have nothing to eat or drink after midnight until the examination is complete. Heart and blood pressure medications may be taken up to two hours before the scheduled procedure. Ask your doctor about insulin medication, if you are a diabetic.

What does this exam involve? (Time: approximately 15 to 45 min.)

An endoscope (a flexible tube about the size of a small finger) is swallowed and advanced into your esophagus, stomach and duodenum. If an EUS is done, sound waves will create visual images of the digestive tract. Often a biopsy is taken for microscopic examination. If a biopsy is done, you will feel no pain. Specimens from the procedure will be sent to the pathology laboratory for microscopic examination.
Your doctor will report the findings to you when they are available.

Your throat will be anesthetized with a nebulizer spray. This aids in diminishing the gag reflex. You will also receive IV medication as needed to help you relax and become sleepy. When you are properly relaxed, you will swallow the endoscope tube.  This is ordinarily accomplished with surprising ease due to the relaxing effect of the medication. The tube does not interfere with your breathing. You will be drowsy and comfortable during the examination.

Following the Procedure

  • The medications that you received may make you feel drowsy. You will be observed in our post-op area for 30 minutes to an hour.
  • You may experience a mild soreness in the throat, lasting only a day or two.
  • Discharge instructions include no driving following your procedure. You will need someone to take you home due to the medication that you will receive.
  • Written discharge instructions, including restrictions and signs of possible complications, will be reviewed. A copy of these instructions will be sent home with you when you are released.


Enter through the hospital main entrance and report to the front lobby registration desk. You and your family will then be directed to the Endoscopy Suite. If you have any questions, please call (812) 485-4911.

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