Upper endoscopy - Mayo Clinic
An upper endoscopy, also called an upper gastrointestinal endoscopy, is a procedure used to visually examine your upper digestive system. This is done with the help of a tiny camera on the end of a long, flexible tube.

Upper Endoscopy: What Is It, Who Needs It, Risks & Benefits
An upper endoscopy is a procedure to examine the upper part of the digestive tract. The procedure is also called an esophagogastroduodenoscopy, or EGD. A gastrointestinal (GI) doctor (gastroenterologist) uses an endoscope. The scope is a narrow, flexible tube with a light and small video camera.

Upper GI Endoscopy - Johns Hopkins Medicine
An upper GI endoscopy or EGD (esophagogastroduodenoscopy) is a procedure to diagnose and treat problems in your upper GI (gastrointestinal) tract. The upper GI tract includes your food pipe (esophagus), stomach, and the first part of your small intestine (the duodenum).

Upper GI Endoscopy (EGD): Procedure Details and Recovery - Healthgrades
Upper GI endoscopy can help your doctor find the reason for unexplained symptoms you may be having, such as difficulty swallowing, abdominal pain, vomiting blood, or heartburn. It also helps diagnose diseases and disorders of the upper gastrointestinal tract, such as peptic ulcers.

GI Endoscopy Procedure, Preparation, Side Effects & Risks - eMedicineHealth
Gastrointestinal (GI) endoscopy is a procedure performed on individuals to examine the esophagus, stomach, and duodenum (the first portion of the small bowel). GI endoscopy is used to diagnose and prevent many diseases and conditions such as cancer, GERD, hiatal hernia, duodenitis, and stomach ulcers.

Endoscopy: Procedure, Types, What To Expect - Cleveland Clinic
An endoscopy is a procedure done to examine structures inside your body up close. During an endoscopy, a healthcare provider places a long, thin tube (endoscope) inside your body until it reaches the organ or area they need to check. Most endoscopes have a light and special camera at the end.

Upper GI Endoscopy - NIDDK
Upper gastrointestinal (GI) endoscopy is a procedure in which a doctor uses an endoscope—a flexible tube with a camera—to see the lining, or inside surface, of your upper GI tract.

Upper GI endoscopy (EGD) - American College of Gastroenterology
What is an upper endoscopy or EGD? If you have symptoms that do not go away, such as heartburn, vomiting or belly pain, your doctor may recommend an upper endoscopy. Doctors use this test to see inside the upper digestive tract and find the cause of your symptoms.