A barium swallow is a type of test used to look inside the esophagus, or food pipe. A doctor might recommend this test if they need to look at the outline of any part of a person’s digestive system.

A-I’ve been having stomach troubles, and my doctor has scheduled me for something called a “barium swallow.” I’m very concerned. What is this test like, and what is he looking for? A-The symptoms we ...

What Is an Upper GI Series? An upper GI series is a group of X-ray tests that look at your GI tract -- your food pipe (the esophagus), stomach, and the first part of your small intestine (the duodenum ...