Cardiac Blood Pool Scan


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What To Think About

  • Cardiac blood pool imaging is not usually done during pregnancy because the radiation could damage a developing fetus.
  • The cardiac blood pool scan is a safe and accurate way to determine overall heart function.
  • Multigated acquisition (MUGA) scans are routinely used before and after receiving a heart transplant to assess how well the heart is working. MUGA also may be used to monitor the ejection fraction in people receiving chemotherapy.
  • Generally, an echocardiogram provides as much information as a MUGA scan and is less invasive. But a MUGA scan provides more accurate information about ejection fraction than an echocardiogram, especially in people who are obese or who have lung disease. For more information, see the topic Echocardiogram.


Last Updated: August 5, 2011
Medical Review:
Rakesh K. Pai, MD, FACC - Cardiology, Electrophysiology

George Philippides, MD - Cardiology


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