Iodinated contrast

Iodinated Contrast

Iodinated contrast (pronunciation: /aɪəˈdeɪnətɪd ˈkɒntrɑːst/) is a type of contrast agent used in medical imaging to enhance the visibility of internal structures in the body.

Etymology

The term "iodinated contrast" is derived from the element iodine, which is used in the compound due to its high atomic number and ability to absorb X-rays. The word "contrast" refers to the agent's ability to differentiate between different tissues in the body during imaging.

Usage

Iodinated contrast is commonly used in procedures such as Computed Tomography (CT) scans, angiography, and intravenous urography. It is administered intravenously or intra-arterially to highlight blood vessels and other structures, making them more visible on the resulting images.

Types

There are two main types of iodinated contrast: ionic and non-ionic. Ionic contrast media, such as diatrizoate and ioxaglate, are more likely to cause side effects but are less expensive. Non-ionic contrast media, such as iohexol and iopamidol, are less likely to cause side effects but are more expensive.

Side Effects

While iodinated contrast is generally safe, it can cause side effects in some patients. These can range from mild reactions like nausea and vomiting to severe reactions like anaphylaxis. Patients with kidney disease or thyroid disease may be at higher risk of complications.

Related Terms

External links

Medical encyclopedia article on Iodinated contrast
Wikipedia's article - Iodinated contrast

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Iodinated contrast