Esophago-Gastro-Duodenoscopy (EGD)

Also known as “upper endoscopy,” this test uses an endoscope (a long, flexible instrument with a light and video camera) to visually inspect the esophagus, stomach and part of the small intestine for abnormalities. If a problem is found, certain therapies can be performed during the procedure, such as the widening of a constricted esophagus or halting the bleeding of an ulcer.

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