A 28-year-old male asked:
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what is the definition or description of: thallium stress test?

1 doctor answer
Dr. Milton Alvis, jr
40 years experience Preventive Medicine
Stress with Thallium: A radioactive isotope of thallium, often 201, is injected iv. Heart muscle cells pump some of the radioactive thallium inside; less if blood flow past the cells is limited. Thus cells (or scar tissue) with low blood flow intake less thallium & emit less radiation. A gamma camera detects some of the radiation which exits the body. Only severe, not mild, artery disease complications can be detected.
Answered on Dec 5, 2012

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