Why No Exercise Before Pet Scan
Why No Exercise Before Pet Scan. Physical activity may trigger a potential source of false-positive results on a PET scan in about one out of eight patients, he noted. When the muscles take up the radiopharmaceutical, the radioactive tracer may not go to the areas the physicians are interested in seeing, rendering the exam suboptimal.
Unlike other types of PET scans, there are no special preparation instructions for PSMA PET Scans. This will not make you feel differently at all. At the beginning of the PET scan procedure, you will sit in a chair and receive an injection of a small amount of radioactive material called FDG in a vein in your arm.
Routine medications may be taken, unless.
You should be careful while brushing your teeth making sure that you are not swallowing the toothpaste prior to the day of scan test.
The PET scan uses a radioactive drug (tracer) to show both normal and abnormal metabolic activity. Unlike other types of PET scans, there are no special preparation instructions for PSMA PET Scans. That's because exercise affects the radiotracer's reading and could cause the results to be inaccurate.
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David Holt
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