Upper Gastrointestinal Series
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Upper Gastrointestinal Series

(Upper GI Series; Barium Swallow; Barium Meal)

En Español (Spanish Version)

Definition

This is a series of x-rays of the esophagus, stomach, and duodenum during and after drinking a barium solution . The duodenum is the first part of the small intestine. Together, the esophagus, stomach, and duodenum are called the upper gastrointestinal (GI) tract or upper digestive system.

Upper Digestive System

Upper GI stomach duodenum

© 2008 Nucleus Medical Art, Inc.

Parts of the Body Involved

  • Esophagus
  • Stomach
  • Duodenum

Reasons for Procedure

An upper GI series may be ordered if you have:

  • Diarrhea
  • Weight loss
  • Abdominal pain
  • Difficulty swallowing
  • Regurgitation
  • Rectal bleeding
  • Bloody stools or black, tarry stools
  • Bloody vomit or "coffee-ground" vomit

An upper GI series can help detect:

Risk Factors for Complications During the Procedure

  • Food in the stomach
  • Barium in the colon
  • Perforated or obstructed bowel

Due to the risks of radiation exposure, you should not have an upper GI series if you are pregnant.

What to Expect

Prior to Procedure

  • Review your medications with your doctor. There are some that you may need to stop taking before this procedure.
  • Do not eat, drink, or smoke for at least eight hours before the procedure.
  • You may be given a medication called glucagon . This will slow down the activity of the stomach and small intestine.
  • You may be asked to swallow baking soda crystals. These crystals will bubble and make gas in your stomach, allowing for more detailed x-rays.
  • If you are going to have a small bowel follow-through, you might take a laxative medication the day before your exam. This will clean out your small intestine.

Anesthesia

None

Description of the Procedure

You will remove all jewelry and wear a hospital gown. You will drink barium. Barium is a thick, white, chalky, milkshake-like liquid. It coats the inside lining of the esophagus, stomach, and duodenum. As you drink the barium, the radiologist takes x-rays of the upper GI area, using a machine called a fluoroscope. Your doctor may want to look at your esophagus. So you may have pictures taken as you actually swallow the liquid or small bits of food that are covered with barium. You will change positions frequently to coat the entire surface of the GI tract with barium.

If your doctor wants to look at more of your small intestine, a small bowel follow-through may be done. For this exam, x-ray pictures are taken every 15-30 minutes while the barium travels through the intestine.

After Procedure

You may eat and drink as usual.

How Long Will It Take?

An upper GI series can take between 30 minutes and two hours. A small bowel follow-through can take 1-4 hours.

Will It Hurt?

No

Possible Complications

  • Constipation for a few days after the procedure
  • White stool
  • Bowel obstruction, rare
  • Barium in your lungs, which can lead to pneumonia

Average Hospital Stay

None

Postoperative Care

Drink lots of fluids to remove the barium from your system.

Outcome

A normal upper GI series will show an unobstructed, functioning, healthy digestive tract. Examples of abnormalities that may show up on an upper GI series include:

  • Obstructions
  • Ulcers of the esophagus, stomach, or small intestine
  • Irregularities in the swallowing mechanism
Your doctor will make treatment recommendations based on the findings.

Call Your Doctor If Any of the Following Occurs

After you leave the hospital, call your doctor if any of the following occurs:

  • Abdominal pain or bloating
  • Constipation doesn't resolve within a few days
  • Signs of infection, including fever and chills

RESOURCES:

American Gastroenterological Association
http://www.gastro.org/

National Digestive Diseases Information Clearinghouse, National Institutes of Health
http://digestive.niddk.nih.gov/

CANADIAN RESOURCES:

Canadian Association of Gastroenterology (CAG)
http://www.cag-acg.org/home.htm/

Radiology for Patients
http://www.radiologyinfo.ca/

References:

Upper GI series. National Digestive Diseases Clearinghouse, National Institutes of Health website. Available at: http://digestive.niddk.nih.gov/ddiseases/pubs/uppergi/ . Published November 2004. Accessed July 19, 2008



Last reviewed November 2007 by Daus Mahnke, MD

Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.

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