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MUGA test

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.

Review Date: 5/8/2024
Reviewed By: Thomas S. Metkus, MD, Assistant Professor of Medicine and Surgery, Johns Hopkins University School of Medicine, Baltimore, MD. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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