Upper endoscopy (Oesophagogastroduodenoscopy)
An upper endoscopy is a procedure used to visually examine your upper digestive system with a tiny camera on the end of a long, flexible tube. A specialist in diseases of the digestive system (gastroenterologist) uses an endoscopy to diagnose and, sometimes, treat conditions that affect the oesophagus, stomach and beginning of the small intestine (duodenum).
The medical term for an upper endoscopy is esophagogastroduodenoscopy. You may have an upper endoscopy done in your doctor’s office, an outpatient surgery centre or a hospital.
An upper endoscopy is used to diagnose and, sometimes, treat conditions that affect the upper part of your digestive system, including the esophagus, stomach and beginning of the small intestine (duodenum).
Your doctor may recommend an endoscopy procedure to:
- Investigate symptoms. An endoscopy may help your doctor determine what’s causing digestive signs and symptoms, such as nausea, vomiting, abdominal pain, difficulty swallowing and gastrointestinal bleeding.
- Diagnose. Your doctor may use an endoscopy to collect tissue samples (biopsy) to test for diseases and conditions, such as anemia, bleeding, inflammation, diarrhea or cancers of the digestive system.
- Treat. Your doctor can pass special tools through the endoscope to treat problems in your digestive system, such as burning a bleeding vessel to stop bleeding, widening a narrow esophagus, clipping off a polyp or removing a foreign object.