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How is upper gastrointestinal (GI) series done?

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A technician and a radiologist will guide you through it. They won't have to put any devices or instruments inside your body, and you'll be awake. An upper GI may make you feel a little bloated or crampy, but you won't need any pain medicine.

To start, you'll drink a special liquid with barium. It looks like a milkshake, but doesn't much taste like one. This coats the lining of your GI tract so it's easier to see.

The technician will take some X-rays while you do that.

From: What Is an Upper GI Series? WebMD Medical Reference

SOURCES:

National Institute of Diabetes and Digestive and Kidney Diseases: "Upper GI Series."

Sutter Health CMPC: "Learning About Your Health: Upper GI Series."

RadiologyInfo.org: "X-ray (Radiography) - Upper GI Tract."

Harvard Health Publishing: "Barium Swallow (Upper Gastrointestinal Series or "Upper GI Series")."

Reviewed by Neha Pathak on November 02, 2017

SOURCES:

National Institute of Diabetes and Digestive and Kidney Diseases: "Upper GI Series."

Sutter Health CMPC: "Learning About Your Health: Upper GI Series."

RadiologyInfo.org: "X-ray (Radiography) - Upper GI Tract."

Harvard Health Publishing: "Barium Swallow (Upper Gastrointestinal Series or "Upper GI Series")."

Reviewed by Neha Pathak on November 02, 2017

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What happens after upper gastrointestinal (GI) series?

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