Nuclear Ventriculography (MUGA or RNV)
Alternate Names : Cardiac Blood Pooling Imaging, MUGA, Nuclear Heart Scan, Radionuclide Ventriculography, RNV
Pictures & Images
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Heart, Front View
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The external structures of the heart include the ventricles, atria, arteries and veins. Arteries carry blood away from the heart while veins carry blood into the heart. The vessels colored blue indicate the transport of blood with relatively low content of oxygen and high content of carbon dioxide. The vessels colored red indicate the transport of blood with relatively high content of oxygen and low content of carbon dioxide.
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MUGA Test
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During the MUGA test, a radioactive isotope is injected into the vein. Radioactive isotopes attach to red blood cells and pass through the heart in the circulation. The isotopes can be traced through the heart using special cameras or scanners. The test is often given at rest, then repeated with exercise, or after administering certain medications. The test is performed to detect certain heart conditions.
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