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.
Avoid Blood Pressure Spikers. 1  Caffeine â Hold off on the morning cup of coffee before measuring your blood pressure. No caffeine for half an hour before measuring is best. 2  Tobacco â If you can stop altogether, your heart will thank you. Otherwise, avoid for at least half an hour before you take a measurement. Exercise â Great to do, just wait until after you check your blood pressure. Avoid exercise for thirty minutes prior to blood pressure readings. Medication â For an accurate reading, you should have as little medication in your blood as possible. Food â Wait to eat until after you check your blood pressure. Alcohol â Avoid alcohol consumption for at least half an hour before checking your blood pressure.