What is an EGD?

An EGD (esophagogastroduodenoscopy)  is an upper gastrointestinal (GI) endoscopy procedure in which a videoscope is used to examine the upper part of the GI tract.  You will be given anesthesia and a plastic block will be placed in your mouth just prior to the start of the procedure.   You will be lying on your back or left side and a slim, flexible tube containing a tiny light and camera is slipped into the mouth, down through the esophagus, stomach and into the first part of the small intestine, which is called the duodenum. 


Video images will be viewed on a monitor by the endoscopy team in the procedure room and photographs of specific areas of interest may be taken.   If needed, certain interventions can be performed through the endoscope, such as biopsies; testing for the presence of bacteria or other germs; attaching a probe to measure the acid levels (pH study) in the esophagus; removing small growth (polyps); removing foreign objects or food that is stuck; stretching (dilatation of) a narrowed area, such as in the esophagus or entrance to the small intestine; injection of medications (such as Botox into the esophagus) to treat certain muscular conditions;  and treatment for areas that may be bleeding, such as ulcers.


Why do doctors order EGD?

This procedure can be used to determine that cause of various symptoms including:

  • abdominal pain
  • nausea
  • vomiting
  • swallowing difficulties
  • gastric reflux
  • unexplained weight loss
  • anemia
  • bleeding in the upper GI tract 

What problems can an EGD detect?

Upper GI endoscopy can identify:

  • ulcers
  • abnormal growths
  • precancerous conditions
  • duodenal inflammation
  • hiatal hernia
  • reflux disease
  • retained or “stuck” food/foreign bodies 

If you experience any of the following rare symptoms following an upper endoscopy, you should contact your doctor immediately:

  • swallowing difficulties
  • throat, chest or abdominal pain that worsens
  • vomiting
  • bloody or very dark bowel movements
  • fever

After an EGD, you may feel bloated or nauseated and may also have a sore throat.  Unless otherwise directed, patients may immediately resume their normal diet and medications.  Remember that you will need a ride home and are not permitted to drive or return to work for 24 hours.



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