WebMD explains the upper endoscopy -- how the procedure is used to diagnose digestive problems like acid reflux or identify inflammation, ulcers, and tumors.

Early endoscopy in upper gastrointestinal hemorrhage: associations with recurrent bleeding, surgery, and length of hospital stay. Gastrointest Endosc 1999;49:145-152. Crossref. PubMed.

Examining the upper digestive tract (upper endoscopy or ERCP) requires nothing more than fasting for 6-8 hours prior to the procedure. To examine the colon, it must be cleared of stool.

The optimal timing of endoscopy after presentation with upper gastrointestinal bleeding is a matter for debate. Tsoi and colleagues examine the findings of randomized clinical trials and ...

Upper gastrointestinal (GI) endoscopy is routinely performed to detect tumorous changes or neoplasia in the pharynx, esophagus, and stomach and is conventionally done under White Light Imaging (WLI).

Endoscopy is an established tool for the diagnosis and treatment of patients with upper gastrointestinal bleeding. The timing of endoscopy is, however, a matter of controversy. This Viewpoint ...

An endoscopy can also detect some cancers of the upper digestive system. Most importantly, an endoscopy can be used to burn a bleeding vessel to stop bleeding, widen a narrow oesophagus, clip off ...

There are several types of endoscopy. In an upper gastrointestinal (GI) endoscopy, your doctor places an endoscope through your mouth and down your esophagus. An endoscope is a flexible tube with ...

A combined colonoscopy and endoscopy lets a doctor examine your upper and lower gastrointestinal tract, all in one procedure. Doctors use a combined colonoscopy and endoscopy to help diagnose the ...

The effectiveness of early endoscopy for upper gastrointestinal hemorrhage: a community-based analysis. Med Care 1998;36:462-474. Crossref. PubMed. Web of Science. Google Scholar. 20.

For an upper endoscopy, which lets a doctor examine the upper gastrointestinal tract, the person will undergo observation after the procedure. This usually lasts around 1 hour while any sedative ...