Contrast Materials In The Body

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Contrast materials, otherwise known as contrast agents or contrast media, are used to get better pictures of the internal part of the body produced by x-rays, CT, MRI, and ultrasound. Frequently, contrast materials permit the radiologist to differentiate normal from abnormal disorders/illnesses. Contrast agents are not tints that forever discolor internal organs. They are substances that for a short period of time change the way x-rays or other imaging devices act together with the body. When put into the body before the beginning of an imaging exam, contrast materials cause certain structures or tissues in the body seem different on the images than they would if no contrast material had been dispensed. By advancing the view of particular organs, blood vessels or tissues, contrast materials aid physicians identify medical …show more content…
The method in which contrast materials go in the body are: orally, rectally, or intravenously. After an imaging exam with contrast material has been done, the substance is absorbed by the body or excreted through the urine or feces. There are numerous kinds of contrast materials, Iodine-composed and barium-sulfate mixtures are used in x-ray and CT imaging exams. Contrast substances can have a chemical structure that contains iodine, an organically occurring chemical element. These contrast substances can be injected into veins or arteries, inside the disks or the liquid filled spaces of the spine, and into other body

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