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Barium X-ray examinations are useful tools for the study of appearance and function of the parts of the gastrointestinal tract. They are used to diagnose and monitor esophageal reflux, dysphagia, hiatus hernia, strictures, diverticula, pyloric stenosis, gastritis, enteritis, volvulus, varices, ulcers, tumors, and gastrointestinal dysmotility, as well as to detect foreign bodies.
Iodinated contrast contains iodine.It is the main type of radiocontrast used for intravenous administration.Iodine has a particular advantage as a contrast agent for radiography because its innermost electron ("k-shell") binding energy is 33.2 keV, similar to the average energy of x-rays used in diagnostic radiography.
Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and non-ionizing radiation to view the internal form of an object.Applications of radiography include medical ("diagnostic" radiography and "therapeutic radiography") and industrial radiography.
Contrast CT of a patient with brain metastases from breast cancer, before (left) and after (right) injection of iodinated contrast.. Iodinated contrast is a form of water-soluble, intravenous radiocontrast agent containing iodine, which enhances the visibility of vascular structures and organs during radiographic procedures.
A new panel report for the 2025 dietary guidelines urges Americans to eat more plant-based foods while reducing red meat and processed foods. Americans should eat more beans, peas and lentils and ...
Use of positive contrast agents could make it difficult to see any inflammation in the lining. Neutral agents include water, EG electrolyte solution, sugar alcohols , and methylcellulose . Patients are usually able to drink the large of amounts of these agents required for the study without major difficulty. [ 5 ]
The recommendation to get protein from plants first is a big shift — and the first time this suggestion has been made. These recommendations are for the 2025 Dietary Guidelines, which is planned ...
Recent research suggests that consuming processed red meat is linked to a 14% increase in dementia risk. Replacing processed red meat with beans and nuts may help offset this risk increase, however.