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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.
EGD stands for esophagogastrodudenoscopy and it pertains to a visual inspection of the esophagus, the stomach and upper duodenum. The procedure is done by inserting a flexible endoscope down the throat.An endoscope is a small camera that functions as a tool to examine the internal organs.ith EGD, the esophagus, stomach and duodenum linings are examined. The endoscope is capable of taking biopsies by retrieving tissue samples that will be examined later under a microscope. Biopsies are usually done to determine if cancer is present. With EGD, some other treatments may be executed.