A 48-year-old member asked:
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what is the risk of the thallium for persantine stress test?

1 doctor answer
Dr. Michael Zevitz
36 years experience Internal medicine
None: Thallium provides no risk to any human as it is non-toxic and is eliminated from the body within a few hours after the test is completed. It is simply a tracer chemical for blood flow.
Answered on May 5, 2016
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A 37-year-old member asked:
Dr. Jeffrey Everett
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Test for blockages: Persantine is used to augment changes seen in stress testing when coronary arteries have a blockage that limits flow.
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