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When patients are undergoing diagnostic imaging tests such as MRI, CT scans or other types of medical examinations they may be given a contrast agent. This is usually done to help highlight certain areas of the body such as the blood vessels, bones or nerves. Barium is one of the common contrast agents. The patient may be told not to drink any liquids after a certain time the day before and during the test or they may be directed to use laxatives or enemas before the test. They will also be told to take their medication on the day of the exam at the designated times.
barium iodine is an inorganic chemical with the formula BaI2. It exists as both an anhydrous and hydrated salt. The anhydrous form is a white solid and is freely soluble in water, ethanol and acetone. The hydrated form is a crystalline substance that looks very similar to lead (II) chloride.
It is a potent neuromuscular stimulant at low concentrations and causes muscular weakness, nausea, vomiting, anxiety, tremors and changes in the heart rate. At high concentrations it can cause cardiac arrhythmia, gastrointestinal problems, respiratory problems and even death. It can also interfere with calcium absorption and reduce the strength of the bones.
American Elements produces Barium Iodide to many standard grades when applicable including Mil Spec, ACS, Reagent and Technical Grade, Food, Agricultural and Pharmaceutical Grade as well as USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia). It is available in powder, liquid, tablet and film form.