I've spent the last few days in bed feeling really unwell. I'm getting chest pains and am having trouble standing and walking.
A rubidium rest/stress PET-CT scan is a procedure that uses a radioactive tracer to evaluate blood flow in the heart:
- An image of the heart is taken after an injection of the radioactive tracer, rubidium-82 (Rb-82)
- A drug is administered to increase blood flow to the heart, and another image is taken to show how blood flow changes under stress
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