Chemical formula: Rb Molecular mass: 81.918 g/mol PubChem compound: 71357
Rb 82 is analogous to potassium ion (K+) in its biochemical behavior and is rapidly extracted by the myocardium proportional to the blood flow. Rb+ participates in the sodium-potassium (Na+/K+) ion exchange pumps that are present in cell membranes. The intracellular uptake of Rb 82 requires maintenance of ionic gradient across cell membranes. Rb 82 radioactivity is increased in viable myocardium reflecting intracellular retention, while the tracer is cleared rapidly from necrotic or infarcted tissue.
This medicinal substance has been classified in the anatomical therapeutic chemical (ATC) classification according to its main therapeutic use as follows:
| ATC code | Group title | Classification |
|---|---|---|
| V09GX04 | V Various → V09 Diagnostic radiopharmaceuticals → V09G Cardiovascular system → V09GX Other cardiovascular system diagnostic radiopharmaceuticals | |
Competent medicine agencies globally have authorized commercialization of this active ingredient according to these medication package inserts (MPIs):
| Title | Information Source | Document Type | |
|---|---|---|---|
| CARDIOGEN-82 Solution for injection | FDA, National Drug Code (US) | MPI, US: SPL/PLR |
Rubidium ⁸²Rb chloride is an active ingredient of these brands:
United States (US)Note the following: The list of brand names is continuously updated, and thus does not include the total of products circulating worldwide. |
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