Pediatric EEG & Neurodiagnostics

The EEG lab performs testing on children of all ages. The EEG (electroencephalogram) is the electrical impulses of the brain transmitted to a computer, which are then studied by a trained technologist. This painless test is usually performed for detecting seizure activity but may be used as a diagnostic tool for other reasons. A pediatric neurologist will read and interpret the test.

Evoked potentials (visual and auditory somatosensory) are also done in the lab. Evoked potentials tests check how fast and well the body’s nerves respond to specific types of sensory stimulation. These can include flashing lights, loud sounds, or electrical signals sent to the arms and legs.

Pediatric neurodiagnostic tests performed at St. Mary's include:

Routine or Sleep Deprivation EEG Instructions

Please report to the main lobby of the hospital at the Patient Services desk. Please allow plenty of time for traffic and parking. If you arrive late, your child's appointment may need to be rescheduled.

Your child will not be sedated for this test.

Feeding Instructions:

Your child may eat normally before testing. It would be best to refrain from any products that contain caffeine. If your child is less than a year old, time feedings so that your baby will be hungry when you arrive at the hospital. Please bring at least two bottles of formula/milk with you. Once you are at the hospital, you will be instructed on when to give your child the bottle.

Sleep Instructions:

It is important that sleep be limited to four hours the night before the test, preferably from Midnight to 4:00 a.m. It is best to wake your child no later than 4:00 a.m. so they will take a nap again for the test. It is very important to keep your child awake in the car while on the way to the test.

General Instructions:

  • Bring any item that will help your child relax like a favorite stuffed toy, blanket, VHS/DVD, pacifier, etc.
  • Please bring your child's medical history and a list of any medications he/she takes.
  • If your child takes morning medication, please give the medication at its regular time.
  • Please have your child's hair clean and dry. Do not use conditioners, gels, etc.

Sedation EEG Instructions

Please report to the Patient Services Desk in the main lobby of the hospital. You will want to allow plenty of time for traffic and parking. If you arrive late, your child's appointment may need to be rescheduled.

Feeding Instructions:

If your child has been scheduled for a sedation appointment, the following instructions should be followed:

  • Do not allow your child to eat or drink the morning of your appointment.
  • Breast milk can be given up to 3 hours before the test.
  • The medication works best when your child is already tired. Children should have no more than 4 hours of sleep the night before the test.

General Instructions:

  • Please bring any item that will help your child relax, for example a favorite stuffed toy, blanket, VHS/DVD, pacifier, etc.
  • Bring your child's medication history and a list of medications he/she is taking.
  • If your child takes morning medication, please give the medication.
  • Please have your child's hair clean and dry. Do not use conditioners, gels, etc.

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