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CT is a diagnostic tool that uses X-rays to produce a series of computerized images of your body that are useful in detecting many medical conditions that do not appear on traditional X-rays.
Similar in appearance to a MRI scanner, the doughnut-shaped CT scanner houses an
X-ray tube that moves rapidly around a specific anatomical area, sending signals
to a computer. The computer reconstructs these signals to form a cross-sectional
image of your internal anatomy.
During your CT exam, you will be asked to lie very still and quiet on a padded table for approximately 15 minutes.
St. Mary's Hospital exclusively offers the regions first High Definition CT scanner with the acquisition of the GE exclusive Gemstone ™ Discovery™ CT750. The CT750 delivers clinicians and referring physicians unmatched high definition image quality with the capability to lower the radiation dose for the patient. The CT750 features breakthrough dose-reducing technology that re-invents CT scanning and can reduce radiation exposure to patients by up to 50% compared to existing CT technology.
Preparing for a CT
If your CT exam requires
the use of a contrast agent, the technologist may start an IV, or you may drink
an oral contrast agent, or both. These contrast agents allow greatly enhanced CT
images. Please plan to pick up oral contrast agents in advance of your
appointment at the Bon Secours facility where your test will be completed.
Otherwise, you must arrive two hours ahead of your scheduled appointment
time to drink the contrast. Continue taking your daily medications prior to your
exam unless otherwise instructed.
If you have ever had a previous allergic reaction to a contrast agent, or have multiple allergies or suffer from asthma, it is very important that you notify us prior to your visit. Patients may not eat for four hours prior to any CT scan if you will be receiving IV contrast. Patients are encouraged to drink plenty of clear liquids. Patients may take medications, except Ibuprofen (i.e. Advil, Motrin, etc.) and Naproxen Sodium (i.e. Alleve, etc.).
- If you are 65 or older and your doctor has ordered your CT with IV contrast, you will need lab work for kidney function before you have your scan.
- If you are having an abdominal or pelvic CT scan, you may not eat or drink in the four hours prior to your study.
- If you are having a CT of the brain, head or chest, you may drink only clear liquids in the four hours prior to your appointment.
- Wear warm, comfortable clothing.
For more information about any of these procedures, including how to prepare and what to expect, visit www.radiologyinfo.com >>
