A positron emission tomography (PET) scan is a unique kind of imaging take a look at that helps medical doctors see how the organs and tissues inside your body are literally functioning.
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Because your radiation publicity is low, you will not really feel any effects and may be able to go home quickly after your scan is completed. However, you need to drink plenty of fluids afterwards to flush the radioactive medicine out of your physique. All traces of the radio-tracer ought to depart your body naturally round three hours after it has been given to you.
With a PET scan you will have an injection of a really small amount of a radioactive drug (tracer) first. The quantity of radiation could be very small and does not make you feel unwell. It only stays in the body for a number of hours. Depending on which drug you have got, the radioactive drug will travel to explicit components of your body. The commonest drug is fluorine 18, often known as FDG-18. This is a radioactive version of glucose.