Advertisement

What is an upper endoscopy?

This procedure allows your physician to examine the inside of the esophagus, stomach or duodenum (the first section of the small intestine).

An upper endoscopy is a medical procedure to visually examine the esophagus, the stomach and part of the duodenum. During the procedure, a physician uses an endoscope (a long, thin, flexible instrument about 1/2 inch in diameter) to examine the inside of the upper digestive system. The endoscope lets the doctor observe and take pictures of the lining of the upper digestive system.

Upper endoscopy lets your doctor examine the lining of the upper part of your gastrointestinal tract, which includes the esophagus, stomach and duodenum (the first portion of the small intestine). Your doctor will use a thin, flexible tube called an endoscope, which has its own lens and light source, and will view the images on a video monitor.

Upper endoscopy helps your doctor evaluate symptoms of upper abdominal pain, nausea, vomiting or difficulty swallowing. It's the best test for finding the cause of bleeding from the upper gastrointestinal tract. It is also more accurate than X-ray films for detecting inflammation, ulcers and tumors of the esophagus, stomach and duodenum.

Continue Learning about Diagnostic Procedures

Know Before You Go: Radiation
Know Before You Go: Radiation
When you’ve been diagnosed with cancer, you may feel like you’re all alone—but you’re not. You’ll have a team of healthcare providers (HCPs) dedicated...
Read More
Scoping Out Endoscopes
Scoping Out Endoscopes
When James Garner starred as Lt. Kenneth Braden in Up Periscope (1959), the submarine commander knew infiltrating Japanese waters to retrieve secret r...
Read More
Why is pulse oximetry testing important?
SecondsCount.orgSecondsCount.org
Some congenital heart defects do not show signs within the first days or even weeks of life. Sometim...
More Answers
What is a PAC:PRA ratio diagnostic test?
American Association of Endocrine SurgeonsAmerican Association of Endocrine Surgeons
The first test used in patients suspected to have primary hyperaldosteronism measures the plasma...
More Answers

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.