Upper endoscopy, also known as EGD, is a procedure in which a thin scope with a light and camera at its tip is used to look inside the upper digestive tract — the esophagus, stomach, and first part of the small intestine, called the duodenum.
Usually performed as an outpatient procedure, upper endoscopy sometimes must be performed in the hospital or emergency room to both identify and treat conditions such as upper digestive system bleeding.
The procedure is commonly used to help identify the causes of:
What Happens During an Upper Endoscopy?
Before your doctor performs an upper endoscopy, he or she will explain the procedure in detail, including possible complications and side effects. The doctor will also answer any questions you may have.