Rubidium-82

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Rubidium-82

Rubidium-82 (pronunciation: roo-BID-ee-um) is a radioactive isotope of rubidium used in medical imaging.

Etymology

The term "Rubidium" originates from the Latin word "rubidus," meaning "deep red," which is the color of its spectral lines. The number "82" refers to the atomic mass of this particular isotope.

Usage

Rubidium-82 is primarily used in Positron Emission Tomography (PET) scans. It is produced by a strontium-82/rubidium-82 generator and is used for myocardial perfusion imaging. This imaging technique helps to identify areas of the heart that may not be receiving enough blood, which can indicate conditions such as coronary artery disease.

Related Terms

  • Radioactive Isotope: An isotope that has excess nuclear energy, making it unstable. This excess energy can be used in a variety of ways, such as in medical imaging or treatment.
  • Positron Emission Tomography (PET): A type of imaging test that helps reveal how tissues and organs are functioning.
  • Myocardial Perfusion Imaging: A non-invasive imaging test that shows how well blood flows through (perfuses) your heart muscle.
  • Coronary Artery Disease: A disease that occurs when the major blood vessels that supply your heart with blood, oxygen and nutrients (coronary arteries) become damaged or diseased.

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