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Esophagogastroduodenoscopy (EGD)

An esophagogastroduodenoscopy (EGD) is an outpatient procedure that is used to examine your esophagus, stomach, and the first part of your small intestine (called the duodenum). An EGD is sometimes called an upper endoscopy because it is used to evaluate the condition of your upper gastrointestinal tract. An EGD is usually performed by a gastroenterologist, a physician who specializes in the diagnosis and treatment of diseases and illnesses of the digestive system. Your gastroenterologist may recommend an EGD if you experience heartburn, gastroesophageal reflux disease (GERD), dysphagia (food sticking in your esophagus), or bleeding from the upper GI tract.

To perform an EGD, your gastroenterologist will use a long flexible tube called an endoscope, which includes a light and a tiny video camera at one end. He/she will pass the endoscope through your mouth and guide it down into your esophagus, stomach, and duodenum so that he/she can view these organs. Depending on what your gastroenterologist sees, he/she may take a piece of tissue for a biopsy or perform a treatment procedure with special instruments attached to the endoscope. Some of these treatments are: dilation of an esophageal stricture (stretching a narrowing of the esophagus with a tube), stopping a bleeding ulcer in the stomach or duodenum, or taking a biopsy of the tissue of the esophagus to examine it for evidence of Barrett’s esophagus.

Preparing for your EGD

Your doctor will give you specific instructions, but generally you must not eat or drink anything for six to eight hours before your test. Tell your doctor about any medications you are taking. Prior to the test, an intravenous (IV) line will be inserted into your arm. You will be placed on a monitor that checks your heart rate, blood pressure, and oxygen level. You will receive medication called sedation through your IV line to make you comfortable, sleepy, less anxious, and diminish gagging.

What to expect during your EGD

Your gastroenterologist will pass the endoscope through your mouth into the back of your throat and ask you to swallow. The scope will then be passed down into your esophagus, stomach, and duodenum. Using the endoscope, your doctor will see a magnified picture of the lining of your upper gastrointestinal tract on a video monitor. He/she may take tissue samples for a biopsy or perform any treatment necessary. The typical EGD takes about 15 to 20 minutes, depending on whether there are any abnormalities, biopsies taken, or therapies performed.

After your EGD

After your EGD, a nurse will monitor you until you are fully awake. Because of the sedation, you will need to have someone drive you home. You will be able to eat and drink when you return home. Your doctor will call you with the results.

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