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As of August 2008, Cancer Care Ontario reports that the current average incremental cost to perform a PET scan in the province is CA$1,000–1,200 per scan. This includes the cost of the radiopharmaceutical and a stipend for the physician reading the scan. [92] In the United States, a PET scan is estimated to be US$1500-$5000.
Before a PET scan begins, the patient will be injected with a small dose of a radioactive medicine tagged to a tracer such as glucose or oxygen. Therefore, if the purpose of the PET scan is to determine brain activity, FDG or fluorodeoxyglucose will be the medicine used.
Cardiac PET (or cardiac positron emission tomography) is a form of diagnostic imaging in which the presence of heart disease is evaluated using a PET scanner. Intravenous injection of a radiotracer is performed as part of the scan. Commonly used radiotracers are Rubidium-82, Nitrogen-13 ammonia and Oxygen-15 water. [1]
Brain positron emission tomography is a form of positron emission tomography (PET) that is used to measure brain metabolism and the distribution of exogenous radiolabeled chemical agents throughout the brain. PET measures emissions from radioactively labeled metabolically active chemicals that have been injected into the bloodstream.
Scans acquired before and after exercise are examined to assess the state of the coronary arteries of the patient. By showing the relative amounts of radioisotope within the heart muscle, the nuclear stress tests more accurately identify regional areas of reduced blood flow.
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Importantly, 82 Rb PET also seems to provide prognostic value in patients who are obese and whose diagnosis remains uncertain after SPECT-MPI. 82 Rb myocardial blood flow quantification is expected to improve the detection of multivessel coronary heart disease. [9] 82 Rb/PET is a valuable tool in ischemia identification. Myocardial Ischemia is ...