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A 71-year-old male asked:

Which test is more accurate a cardiac petscan or thallium stress test? why is one or the other chosen by cardiologists?

2 doctor answers • 4 doctors weighed in
Dr. Tonga Nfor
Dr. Tonga Nforanswered
Cardiology 18 years experience
Similar accuracy: Great question! several factors like specific reason for test, availability, cost, expertise determine which test a doctor chooses. All things equal thallium and spect have similar accuracy.
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Dr. Marsha Davis
Dr. Marsha Davis agrees1 doctor agrees
Dr. Elden Rand
Dr. Elden Randanswered
Cardiology 23 years experience
PET over thallium: Both tests use nuclear isotopes. The isotope used in pet scans has better visualization/resolution characteristics than thallium which is a spect study (like technetium). Tissue viability is also superior in pet as compared to thallium. The problem is usually that pet is done in fewer cardiology systems than spect (technetium or thallium) of the spect scans, technetium is superior to thallium.
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Dr. Rick Koch
Dr. Rick Koch agrees1 doctor agrees

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Last updated Jan 25, 2015

Found in:

Cardiology›Stress›Stress test

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