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'''Iodinated contrast''' is a type of [[contrast agent]] used in [[medical imaging]] to enhance the visibility of internal structures in the body. It is commonly used in procedures such as [[Computed Tomography|CT scans]], [[X-ray]]s, and [[angiography]].

== Composition ==
Iodinated contrast agents are compounds that contain [[iodine]], a chemical element that absorbs X-rays. They are usually based on a tri-iodinated benzene ring, with different side chains added to improve the safety and effectiveness of the agent.

== Uses ==
Iodinated contrast is used in a variety of medical imaging procedures, including:

* [[Computed Tomography|CT scans]]: Iodinated contrast is often used to enhance the visibility of blood vessels and organs in the body.
* [[Angiography]]: This procedure uses iodinated contrast to visualize the blood vessels in the body.
* [[X-ray]]s: Iodinated contrast can be used to enhance the visibility of certain structures in the body during an X-ray.

== Risks ==
While iodinated contrast is generally safe, there are some risks associated with its use. These include:

* [[Allergic reaction]]: Some people may have an allergic reaction to the iodinated contrast, which can cause symptoms such as itching, hives, or difficulty breathing.
* [[Kidney damage]]: In rare cases, iodinated contrast can cause kidney damage, especially in people with pre-existing kidney disease.
* [[Hyperthyroidism]]: The iodine in the contrast agent can sometimes cause an overactive thyroid, or hyperthyroidism.

== Alternatives ==
In cases where iodinated contrast cannot be used, other types of contrast agents may be used instead. These include:

* [[Gadolinium]]-based contrast agents: These are often used in [[Magnetic Resonance Imaging|MRI scans]].
* [[Barium]]-based contrast agents: These are used in certain types of X-ray examinations.

== See also ==
* [[Contrast agent]]
* [[Computed Tomography]]
* [[Angiography]]

[[Category:Medical imaging]]
[[Category:Contrast agents]]
[[Category:Iodine]]

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Iodinated contrast - Revision history

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