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A 25-year-old female asked about a 67-year-old male:

Which is more accurate in detecting viability after mi, dobutamine tests or nuclear tests (rest)? can results be erroneous that should be repeated ?

2 doctor answers3 doctors weighed in
Dr. Edgar Mendizabal
Internal Medicine 55 years experience
Pika: Thallium stress test is still the standard. Exercise echo comes close.
Dr. Brian Wosnitzer
Nuclear Medicine 18 years experience
Viability...: Depending on the institution, usually rest delayed thallium or FDG pet is performed to evaluate for myocardial viability. Alternatively Dobutamine may be used. Low-dose Dobutamine infusion may result in potentiation of regional lv function in areas of hibernating myocardium. High-dose Dobutamine infusion will result in worsening regional abnormalities secondary to ischemia.

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Last updated Jun 25, 2014

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