CT scan

Computed axial tomography scan (CAT scan)
An imaging test that uses X-rays to create detailed cross-sectional images of a body part. The computer processes these images into precise visuals of bones, organs, and tissues.

Medical prescription required

This test always requires a prescription from your doctor. Bring this prescription with you on the day of the test.

Preparation

You must fast

  • You may drink clear liquids, such as water, tea, or fruit juice without pulp, up to one hour beforehand.

  • Avoid other drinks and food from six hours beforehand.

  • Babies under 1 year old may have formula or breast milk up to four hours before the procedure.

  • For the following CT scans, you do not need to fast unless explicitly instructed:
    • Upper and lower jaw
    • Sinuses
    • Body fat measurements
    • Limbs and joints (skeleton)
    • Spine
  • Inform the nurse before the exam in case of:
    • Asthma or allergies
    • Reactions to contrast agents during previous tests
    • Pregnancy (or suspected pregnancy)

Procedure

The entire test lasts about one and a half hours, with the CT scan itself taking approximately 15 minutes.

  • Before the test, you will drink a contrast liquid. Additional contrast agent may be injected intravenously into your arm.
  • You'll lie on the examination table (usually on your back).
  • As you pass through a wide ring, the X-ray images are taken.
  • During the imaging, you must remain still and briefly hold your breath.

Price

Last edit: 25 january 2025