Shared Medical Services What is PET/CT?

What is a PET/CT? | How to prepare

To prepare for an exam please follow the following instructions: (Note these are site specific so please take the advice of your doctor or ask your doctor for their procedures.)

  • Do not eat or drink anything except water for 4-6 hours prior to your exam.
  • The last meal prior to your exam should be high protein and low
    carbohydrate. Please AVOID breads, pastas, cereals,
    grains, fruit, candy and other high carbohydrate/sugar
  • We encourage you to be well hydrated (water only) when you arrive for your exam.
  • When taking your morning medication, only drink water.
    You may eat a few soda crackers if you've been advised
    not to take your medications on an empty stomach.
  • If you are diabetic, let us know ahead of time so we can work with your physician to determine the safest possible way for you to prepare for your exam.
  • No chewing gum the day of the exam.
  • Avoid strenuous physical activity for 24 hours prior to exam. (Heavy lifting, vigorous exercise, etc.)
  • If applicable, bring outside films and reports - CT & MRI; have referring physician fax a History and Progress.
  • Do not wear anything metallic. (i.e. under wire bras, belts, zippers, buttons.)
  • In addition, please let us know if you might be pregnant or are currently breast feeding.


Wondering what your doctor will be reviewing? Click below on a thumbnail to view an actual PET / CT scan.