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WHAT IS CONTRAST MATERIAL AND WHY IS IT USED IN MEDICAL IMAGING?

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abdomen CT

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Computed tomography (CT) is an advanced imaging system that uses a combination of X-rays and computer technology to produce comprehensive images of your abdomen. CT scans give a much more detailed picture than regular X-rays and can identify many conditions that may escape detection on other imaging tests.

Your health care practitioners may order an abdomen CT scan to examine one of the following (or, for a more comprehensive exam, a combined abdomen/pelvis CT):

  • A cause of pain or swelling.

  • Lymph nodes or blood vessels.

  • The kidney or bladder.

  • The liver, pancreas, or spleen.

  • The small or large bowel.

HOW DO I PREPARE FOR MY EXAM?

WITHOUT CONTRAST: If contrast is not used, you will need to fast for two hours prior to your appointment.
ORAL CONTRAST: If oral contrast is prescribed, you will need to fast for four hours prior to your appointment and arrive two hours prior to your exam, unless otherwise specified at the time of booking.
IV CONTRAST: If oral contrast and/or IV contrast is prescribed, please arrive 15 minutes before your appointment to allow enough time to check-in with reception.
Bring photo identification and your provincial health card.
Please do not drink coffee, tea, or juice six hours prior to your exam.