Positron emission tomography/computed tomography (PET/CT) Procedure Preps

Follow the directions below to get your child ready for their test.

If you do not follow the directions, we will have to reschedule your child’s visit.

  • Drink only water six hours before the test
  • No gum chewing
  • Limit exercise and play, such as running, jumping and climbing, for 24 hours before the test
  • No caffeine 24 hours before the test

If your child has diabetes, call 404-785-6579 for special directions.

Sedation (sleep medicine)

If your child is being sedated (sleep medicine) for the test, you should get a phone call one to three days before the test. We will:

  • Remind you of your child’s visit
  • Make sure you get the eating and drinking directions before the test

Follow these directions in addition to the above if your child is being sedated:

  • Six hours before the test— Your child can only have water.
  • Two hours before the test—No food or drink.


Preparación para una tomografía por emisión de positrones (TEP), (PET, según sus siglas en inglés)