Barium enema

An enema using a white, chalky solution containing barium, in preparation for series of X-ray images of the lower intestine (colon). The barium outlines the colon on the X-ray film.

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    Lower GI series.

  • Barium swallow

    Barium swallow: A test that involves filling the esophagus, stomach, and small intestines with a barium solution in preparation for an X-ray, to define the anatomy of the upper digestive tract. Also known as upper gastrointestinal series.

  • Barium solution

    Barium solution: A liquid that contains barium sulfate, which produces a visible image on X-ray film. Barium solution outlines organs of the body so they can be seen as images on X-ray film.

  • Barker, Horace Albert

    Barker, Horace Albert: (1907-2000) American biochemist who, among other things, discovered the biologically active forms of vitamin B12. Horace Albert Barker, informally called “Nook,” was educated at Stanford University and earned a PhD in chemistry in 1933. His research interest then turned to soil microbiology and microbial biochemistry. He set out on a two-year postdoctoral […]

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    Barlow syndrome: Barlow syndrome is mitral valve prolapse (also known as “click murmur syndrome”), the most common heart valve abnormality, affecting 5-10% of the world population. Most patients have no symptoms and require no treatment. However, the condition can be associated with fatigue and/or palpitations. The mitral valve prolapse can often be detected by a […]

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