Explore health content from A to Z. I need information about...
An upper gastrointestinal (GI) series is an x-ray exam of the
upper digestive tract. This includes the mouth, esophagus,
stomach, and duodenum (first part of the small intestine). The
exam is used to detect problems such as strictures (narrowing),
or ulcers (sores in the lining of the GI tract). Barium contrast
or another kind of contrast material is used during the exam.
This is a liquid that makes organs show more clearly on x-rays.
During an upper GI series with small bowel follow-through, the
doctor also checks the small intestine. An upper GI series takes
about 60 minutes. An upper GI series with small bowel follow-
through takes about 3 hours. Don’t give your child anything to
eat or drink 4–6 hours before the exam. Follow all other
instructions given by the doctor. For your child’s safety, let
the technologist know if your child: Has had surgery. Has any
health problems. Is taking any medications. An upper GI series
is performed by a radiol