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  2. Upper gastrointestinal series - Wikipedia

    en.wikipedia.org/wiki/Upper_gastrointestinal_series

    An upper gastrointestinal series, also called a barium swallow, barium study, or barium meal, is a series of radiographs used to examine the gastrointestinal tract for abnormalities. A contrast medium , usually a radiocontrast agent such as barium sulfate mixed with water, is ingested or instilled into the gastrointestinal tract, and X-rays are ...

  3. String sign - Wikipedia

    en.wikipedia.org/wiki/String_sign

    String sign, or gastrointestinal string sign (also called string sign of Kantour), is a medical term for a radiographic finding on an upper GI series, in which the patient is given a radio-opaque material, such as barium, to drink. X-rays are then taken of the patient's stomach and intestines.

  4. Barium sulfate suspension - Wikipedia

    en.wikipedia.org/wiki/Barium_sulfate_suspension

    Barium sulfate suspensions are provided by a radiologist or radiographer in advance of, or during a CT scan or fluoroscopic study to allow for better visualization of the gastrointestinal tract, such as in upper or lower gastrointestinal series. In upper gastrointestinal series, the patient is instructed to take nothing by mouth, which means to ...

  5. Esophagitis - Wikipedia

    en.wikipedia.org/wiki/Esophagitis

    Esophagitis can be diagnosed by upper endoscopy, biopsy, upper GI series (or barium swallow), and laboratory tests. [4] An upper endoscopy is a procedure to look at the esophagus by using an endoscope. While looking at the esophagus, the doctor is able to take a small biopsy. The biopsy can be used to confirm inflammation of the esophagus.

  6. Esophagogastroduodenoscopy - Wikipedia

    en.wikipedia.org/wiki/Esophagogastroduodenoscopy

    It is also called panendoscopy (PES) and upper GI endoscopy. It is also often called just upper endoscopy, upper GI, or even just endoscopy; because EGD is the most commonly performed type of endoscopy, the ambiguous term endoscopy is sometimes informally used to refer to EGD by default.

  7. Double-contrast barium enema - Wikipedia

    en.wikipedia.org/wiki/Double-contrast_barium_enema

    Barium (usually as a sulfate) outlines the colon and rectum on an x-ray and helps show abnormalities. Air is also put into the rectum and colon to further enhance the x-ray. Double-contrast barium enemas are less invasive than a colonoscopy and have comparatively fewer issues in a viable large bowel. [2]

  8. Gastrointestinal tract - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_tract

    Radioopaque dyes may be swallowed to produce a barium swallow; Parts of the tract may be visualised by camera. This is known as endoscopy if examining the upper gastrointestinal tract and colonoscopy or sigmoidoscopy if examining the lower gastrointestinal tract.

  9. Esophageal web - Wikipedia

    en.wikipedia.org/wiki/Esophageal_web

    They are mainly observed in the Plummer–Vinson syndrome, [3] which is associated with chronic iron deficiency anemia.One in 10 patients with Plummer-Vinson syndrome will eventually develop squamous cell carcinoma of the esophagus, [4] but it is unclear if esophageal webs in and of themselves are a risk factor.