Neurological Test Preparation Guide

Detailed information about preparing for various neurological tests and what to expect during the procedure.

Last updated: 5/15/2025

Neurological Test Preparation Guide

EEG (Electroencephalogram)

Before the Test

  • Wash hair the night before
  • Avoid hair products
  • Get adequate sleep
  • Take regular medications
  • Avoid caffeine
  • Eat normally

During the Test

  • Lie still
  • Follow technician’s instructions
  • May need to breathe deeply
  • May need to look at flashing lights
  • Test duration: 1-2 hours

After the Test

  • Wash hair to remove gel
  • Resume normal activities
  • Wait for results
  • Follow up with doctor

EMG/NCS (Electromyography/Nerve Conduction Study)

Before the Test

  • Avoid lotions or creams
  • Wear comfortable clothing
  • Take regular medications
  • Eat normally
  • No special preparation needed

During the Test

  • Small electrical pulses
  • Needle electrodes may be used
  • Test duration: 30-60 minutes
  • May feel mild discomfort
  • Follow technician’s instructions

After the Test

  • Resume normal activities
  • Minor bruising possible
  • Wait for results
  • Follow up with doctor

MRI (Magnetic Resonance Imaging)

Before the Test

  • Remove metal objects
  • Wear comfortable clothing
  • No food restrictions
  • Take regular medications
  • Inform about implants

During the Test

  • Lie still in machine
  • Loud noises normal
  • Communication possible
  • Test duration: 30-60 minutes
  • May use contrast dye

After the Test

  • Resume normal activities
  • Drink plenty of water
  • Wait for results
  • Follow up with doctor

CT Scan (Computed Tomography)

Before the Test

  • Remove metal objects
  • Wear comfortable clothing
  • Fasting may be required
  • Take regular medications
  • Inform about allergies

During the Test

  • Lie still on table
  • Table moves through scanner
  • May use contrast dye
  • Test duration: 15-30 minutes
  • Follow technician’s instructions

After the Test

  • Resume normal activities
  • Drink plenty of water
  • Wait for results
  • Follow up with doctor

General Tips

What to Bring

  • Insurance information
  • Photo ID
  • Previous test results
  • List of medications
  • Comfortable clothing

Questions to Ask

  1. How should I prepare?
  2. What are the risks?
  3. How long will it take?
  4. When will I get results?
  5. What do the results mean?

After the Tests

  • Keep all records
  • Follow up appointments
  • Ask about next steps
  • Share results with doctor
  • Keep emergency contacts handy