predestination - previous determination as if by destiny or fate. doom, doomsday, end of the world, day of reckoning - an unpleasant or disastrous destiny; everyone was aware of the approaching doom but was helpless to avoid it; that's unfortunate but it isn't the end of the world.
That is 2 1/2 hours! Average is 3 hours now from start to finish. THEN we have to wait for the scan to be sent to the radiologist, and when he/she calls back, we can dispo the patient. I can't believe that every CT done in this country for a possible appy or whatever takes over 3 hours.
If you are scheduled in the late afternoon and can eat breakfast before the scan, it must be a low-carbohydrate diet as well. 6 hours before your appointment: For all PET/CT scans, you will be asked to stop eating six hours before your appointment; however, you may continue to drink water. You will also be asked to bring copies of any recent CT scans or MRI's done.