Upper Gastrointestinal Series

(Upper GI Series; Barium Swallow; Barium Meal)

• Definition • Reasons for Test • Possible Complications • What to Expect • Call Your Doctor

Definition

This is a series of x-rays of the esophagus, stomach, and the first part of the small intestine called the duodenum. Together, the esophagus, stomach, and duodenum are called the upper gastrointestinal (GI) tract, or upper digestive system. The x-rays are taken during and after drinking a chemical called barium. The barium solution is a thick, white, chalky, milkshake-like liquid. It coats the inside lining of your GI tract. This makes the GI tract show up better on the x-ray.

Upper Digestive System

Reasons for Test

An upper GI series may be done if you have:

Diarrhea
Weight loss
Abdominal pain
Trouble swallowing
Regurgitation—when food and fluids flow back up from your stomach toward your mouth
Rectal bleeding
Bloody stools or black, tarry stools
Bloody vomit or vomit that looks like coffee grounds

An upper GI series can help detect:

Ulcers
Blockage
Abnormal growths or tumors
Diverticula—abnormal pouches in the wall of your gut
Gastroesophageal reflux disease (GERD)—when acid from the stomach moves up into your throat
Hiatal hernia—when the upper part of the stomach moves up through a small opening in the muscular wall that separates the abdominal cavity from the chest cavity

Possible Complications

Some people may have an allergic reaction to the barium or have difficulty keeping it down.

What to Expect

Prior to Test

As with all x-ray tests, make sure you let your doctor know if you are pregnant.
Talk to your doctor about the medicines you are taking. They may need to be adjusted before the test.
Do not eat, drink, or smoke for at least eight hours before the test.
You may be given a medicine 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 x-rays that are more detailed.
If the doctor wants to look at lower parts of your intestine, you may need to take a laxative the day before your exam. This will clean out your intestine.

Description of Test

You will remove all jewelry and wear a hospital gown. You will drink the barium solution. As you drink the barium, the radiologist will take x-rays of your chest and abdomen. The doctor may also give you bits of food to eat with barium on them. You may have to change positions frequently during the test.

If your doctor wants to look at more of your intestines, a small bowel follow-through may be done. This means that x-ray pictures are taken every 15-30 minutes while the barium travels further down the intestines.

After the Test

You may eat and drink as usual. Drink plenty of fluid. The barium will slowly pass through your system on its own.

You may have some white-colored stool or constipation after the test.

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?

Results

A normal upper GI series will show a functioning, healthy digestive tract. Your doctor will perform further tests or make a treatment plan based on the findings.

Call Your Doctor

After the test, call your doctor if any of the following occur:

Constipation that lasts for more than a few days after the test
Abdominal pain or bloating
Vomiting
Signs of infection, including fever and chills
Trouble breathing or cough

RESOURCES:

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

National Digestive Diseases Information Clearinghouse
http://digestive.niddk.nih.gov

CANADIAN RESOURCES:

Canadian Association of Gastroenterology
http://www.cag-acg.org

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

REFERENCES:

Patient prep & instruction manual. Scheduled test: upper GI series. Penn Medicine website. Available at: http://www.uphs.up.... Accessed May 22, 2013.

Upper GI series. National Digestive Diseases Clearinghouse, National Institutes of Health website. Available at: http://digestive.niddk.nih.gov/ddiseases/pubs/uppergi/. Updated April 23, 2012. Accessed May 22, 2013.

Last reviewed May 2013 by Daus Mahnke, MD; Michael Woods, MD
Last Updated: 5/22/2013

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