Paint brushes from size â0000â to size 12. One feature of paint brushes is the wide variety of sizes. Generally, the size of a paint brush can be identified by a number, the larger the number the bigger the size. Size â0â is a very small brush and the sizes go up to at least size â40â. There are some exceptions to this sizing method.
Drinking coffee before having a PET scan will interfere with the results as caffeine can affect the myocardial uptake, or the amount of tracer used. With intake of caffeine more fluorodeoxyglucose clusters around the heart, making it difficult to take a look into the lesions of the heart.
With a PET scan you have an injection of a very small amount of a radioactive drug (tracer) first. The amount of radiation is very small and does not make you feel unwell. It only stays in the body for a few hours. Depending on which drug you have, the radioactive drug will travel to particular parts of your body. PET scan can help to. 1  Show up a cancer. 2  Find out the stage of a cancer. 3  Show whether a lump is cancer or not. 4  Show whether a cancer has spread to other parts of the body. 5  Decide the best treatment for your cancer. 6  Show how well cancer drug treatment is working.