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How is a barium X-ray used to diagnose blood in stool?

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A barium X-ray is a procedure that uses a contrast material called barium to make the digestive tract show up on an X-ray. The barium may either be swallowed or inserted into the rectum.

From: Blood in Stool WebMD Medical Reference

SOURCES:

MedlinePlus: "Bloody or tarry stools."

Nebraska Colon Cancer Screening Program: "Rectal Bleeding: What You Should Know."

MedlinePlus: "Gastrointestinal fistula."

NYU Langone Medical Center: "Angiodysplasia of the Colon."

National Digestive Diseases Information Clearinghouse: "Bleeding in the Digestive Tract."

The Ohio State University Medical Center: "Peptic Ulcers."

Reviewed by William Blahd on July 11, 2017

SOURCES:

MedlinePlus: "Bloody or tarry stools."

Nebraska Colon Cancer Screening Program: "Rectal Bleeding: What You Should Know."

MedlinePlus: "Gastrointestinal fistula."

NYU Langone Medical Center: "Angiodysplasia of the Colon."

National Digestive Diseases Information Clearinghouse: "Bleeding in the Digestive Tract."

The Ohio State University Medical Center: "Peptic Ulcers."

Reviewed by William Blahd on July 11, 2017

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How is radionuclide scanning used to diagnose blood in stool?

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