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See Also Contrast medium
Additional recommended knowledge
Iodinated contrast is a form of intravenous radiocontrast (radiographic dye) containing iodine, which enhances the visibility of vascular structures and organs during radiographic procedures. Some pathologies, such as cancer, have particularly improved visibility with iodinated contrast.
Iodinated contrast media may either be oil-based or water-soluble, the former of which is slowly absorbed by body tissue and is usually only used in sialographic and hysterosalpingographic examinations. Water-soluble iodinated medium, which is more quickly absorbed, may be used in place of barium sulfate for gastrointestinal studies that are contraindicated by the use of barium for that reason.
Iodinated medium may also be either ionizing or non-ionizing. The ionizing type tends to create a high osmolality in blood and may cause a contrast media reaction in some individuals, which may be life-threatening for those with certain medical conditions. The non-ionizing form decreases this risk, but is much more expensive. The non-ionizing contrast media is much more widely used today.
Shortly after infusion, iodinated contrast medium causes a warming sensation throughout the body. Sometimes this feeling is more pronounced in the pelvic area.
Iodinated contrast is toxic to the kidneys and kidney function of the patient receiving a dose should be considered before the exam. A creatinine level in the blood should be no higher than 1.4 to receive iodinated contrast. Following up with extra fluids after an injection is highly recommended.
When imaging an average patient, do not use over 70kVp when using iodinated contrast media
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Iodinated_contrast". A list of authors is available in Wikipedia.|