CT

Computed Tomography (CT), often referred to as a "CAT scan", is utilizes a thin beam of X-Ray that moves rapidly around an area of the body to generate multiple images, or slices, through a specific organ or area of the body. The information acquired during a CT can be processed on computer to generate both 2D and 3D images.

CT provides detailed images of the structure, or anatomy, of the area of interest. Because the information is viewed by "slicing" through the body, CT eliminates the problem seen in some plain X-Rays of superimposition, or overlapping, of other structures outside the area of interest. The high resolution of the images also allows the Radiologist to distinguish between normal and abnormal tissue.

Depending of the information requested by the ordering physician, CT exams may be performed with or without a contrast agent. These materials, also called contrast media or just "contrast", are used to highlight specific parts of the body, making them easier to see or distinguish from other parts. Most commonly, contrast is given orally (by mouth), intravenously (IV), or both.

PATIENT PREPARATION FOR CT

Please adhere to following instructions for a successful CT scan:

• Bring a list of prescription medications
• Continue to take medications as directed
• If you require pain or anti-anxiety medication in order to complete your exam, please make arrangements for a driver
• Notify your physician if you are pregnant, breast-feeding, diabetic, or allergic to iodine/IV contrast
• Wear warm, comfortable clothing (preferably without metal snaps or zippers)
• Do not wear jewelry
• If your exam is ordered WITH CONTRAST (IV or ORAL), you should not eat for four (4) hours prior to exam time
• If your exam is ordered WITH IV CONTRAST, a blood test for serum creatinine will be required before the exam if you are over age of 65, diabetic, or have poor renal (kidney) function

WHAT TO EXPECT

If your CT exam requires ORAL contrast, or contrast to be taken by drinking, the staff will give the drink to you upon arrival at CMI. You will be informed to arrive early to allow time for the drinking of the contrast.

If your CT exam requires giving contrast by IV, or injected into a vein, the staff will insert an IV line just before the exam. CMI is also able to provide injections to patients who have Power Ports; the patient must present their card they have been given that identifies their port as a Power Port.

You may be asked to change clothing; scrubs or gowns are provided. You will be asked to lie down on the imaging table; once comfortably positioned, you will be asked to lie as still as possible. Most CT exams require only a few minutes to complete. The technologist will instruct you throughout the exam; you may be asked to hold your breath for a few seconds.

After the exam is completed, you may resume normal activities in regards to diet and exercise. You will be informed if there are any changes to your medication schedule. If your exam was performed using contrast, drink plenty of fluids.

The images will be evaluated by the Radiologist and a complete report sent to the ordering physician; your physician will review the results with you.