An upper endoscopy can be used to determine the cause of heartburn and is often performed as an outpatient procedure. Upper endoscopy uses a thin scope with a light and camera at its tip to look ...

Early endoscopy has been advocated for the management of upper gastrointestinal bleeding, but the optimal timing for early endoscopy is still uncertain. The aim of this Review is to evaluate the ...

Despite advances in our knowledge of celiac disease, the most current and authoritative recommendations conclude that diagnosis requires at least four biopsy specimens to be taken from the duodenal ...