Gadoteric acid
Gadoteric acid (pronounced as ga-doh-ter-ic acid) is a contrast agent used in magnetic resonance imaging (MRI). It is also known by its brand name, Dotarem.
Etymology
The term "Gadoteric acid" is derived from the element Gadolinium, which is a key component of the compound, and the suffix "-ic acid" which is commonly used in the nomenclature of acids.
Usage
Gadoteric acid is used as a contrast medium in MRI scans. It enhances the contrast between normal and abnormal tissues, making it easier for radiologists to identify any potential issues. It is particularly useful in brain and spine imaging, where it can help to highlight areas of inflammation, infection, or cancer.
Pharmacology
Gadoteric acid works by altering the magnetic properties of water molecules in the body. When injected, it interacts with the water molecules and changes the way they respond to the magnetic field of the MRI scanner. This results in a change in the MRI image, providing a clearer picture of the area being scanned.
Related Terms
- Gadolinium: A chemical element used in MRI contrast agents.
- Contrast agent: A substance used to improve the contrast of structures or fluids within the body in medical imaging.
- Magnetic resonance imaging: A type of imaging technique that uses a magnetic field and radio waves to create detailed images of the organs and tissues within the body.
Side Effects
Like all medications, Gadoteric acid can cause side effects, although not everybody gets them. Common side effects include headache, nausea, and dizziness. In rare cases, it can cause a severe allergic reaction.
Precautions
Before using Gadoteric acid, patients should inform their healthcare provider if they have a history of kidney disease, as the use of Gadolinium-based contrast agents has been linked to a rare but serious condition called nephrogenic systemic fibrosis in patients with severe kidney disease.
External links
- Medical encyclopedia article on Gadoteric acid
- Wikipedia's article - Gadoteric acid
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