Iodinated contrast

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 CT scans, X-rays, 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:

• 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-rays: 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 MRI scans.
• Barium-based contrast agents: These are used in certain types of X-ray examinations.

See also

• Contrast agent
• Computed Tomography
• Angiography

Iodinated contrast Resources
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