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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. Barium sulfate suspension - Wikipedia

    en.wikipedia.org/wiki/Barium_sulfate_suspension

    In upper gastrointestinal series, the patient is instructed to take nothing by mouth, which means to abstain from eating and drinking , with the exception of drinking the barium sulfate suspension. The amount of time for this fast may vary, depending on the instructions given by the imaging facility and the area of the body to be scanned, but ...

  4. 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.

  5. Diatrizoate - Wikipedia

    en.wikipedia.org/wiki/Diatrizoate

    Diatrizoic acid may be used as an alternative to barium sulfate for medical imaging of the gastrointestinal tract, such as upper gastrointestinal series and small bowel series. It is indicated for use in patients who are allergic to barium, or in cases where the barium might leak into the abdominal cavity.

  6. Gastrointestinal series - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_series

    A gastrointestinal series, also called a GI series, is a radiologic examination of the upper and/or lower gastrointestinal tract. Upper GI series; Lower GI series

  7. Magnetic resonance enterography - Wikipedia

    en.wikipedia.org/wiki/Magnetic_resonance_entero...

    Gastrointestinal series allow to depict lumen caliber, gross mucosal alterations and wide fistulous tract, but were poorly diagnostic for submucosal or extraluminal features. CT scan instead provides cross sectional and multiplanar images of intraluminal and extra-mucosal, extra-luminal or even extra-enteric features, but costing higher ...

  8. Intestinal malrotation - Wikipedia

    en.wikipedia.org/wiki/Intestinal_malrotation

    Upper gastrointestinal series is the modality of choice for the evaluation of malrotation, as it will often show an abnormal position of the duodenum and duodeno-jejunal flexure (ligament of Treitz). In cases of malrotation complicated with volvulus, upper GI demonstrates a corkscrew appearance of the distal duodenum and jejunum.

  9. Superior mesenteric artery syndrome - Wikipedia

    en.wikipedia.org/wiki/Superior_mesenteric_artery...

    According to a 1956 study, only 0.3% of patients referred for an upper-gastrointestinal-tract barium studies fit this diagnosis, and is thus a rare disease. [29] Recognition of SMA syndrome as a distinct clinical entity is controversial, due in part to its possible confusion with a number of other conditions, [ 30 ] though it is now widely ...