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Radiology
What is a CT scan?
A CT (computed tomography) scan combines a series of x-ray images taken from different angles around your body and uses computer processing to create cross-sectional images (slices) of the bones, blood vessels and soft tissues inside your body. A CT scan provides more detailed information than a plain x-ray does.
What to expect during a CT?
During a CT scan, you will lie on a bed-like table, which will slowly move through the large donut-shaped CT scanner. The scanner will rotate around you as you travel through it and that is how our images are made. You may hear a buzzing or whirling sound as the scan is being done, that is normal. You will need to remain very still during the scan, and you may be asked to hold your breath for short periods of time to avoid blurring the images. The procedure is painless and typically takes about 15 minutes.
How to prepare for you CT scan?
Your physician will give you instructions prior to your appointment, outlining exactly what you will need to do to prepare for your CT scan. Depending on the type of scan you will be having (which part of the body will be scanned), preparation may begin 8 hours prior to your scan. Some CT scans, such as abdominal and pelvic scans, will require a contrast dye so the doctor can assess certain structures and or soft tissues. The contrast usually consists of intravenous (IV) iodine contrast and or barium sulfate (oral) contrast. There are labs values that are required if you are going to be receiving the IV contrast that you will have to get at least 2 weeks prior to the test. The criteria consist of:
- 55 and older
- Diabetic
- Renal disease
Radiology C.A.T. Scan Prep Sheet for Abdomen and/or Pelvis
If you have any type of allergy or reaction to the IV contrast you will receive a prep from the physician prior to your test.
When will you get your results?
After your scan, a certified CT Technologist will prepare your images for the radiologist, who will then interpret the images and report the results back to your doctor. The results are usually back to your physician within 2 business days.
