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.
The amount of radiation used in a PET scan is about the same amount as used in most CT scans. These scans use short-lived tracers, so the radiation is gone from your body in about 2 to 10 hours. Tell your doctor before having this test if you are pregnant or breastfeeding.