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CT (Computed Tomography) Scans
CT is an abbreviation for computed tomography, which is a valuable diagnostic medical exam that combines x-rays and computers. Often called CAT scans, CT scans have been performed successfully for almost 30 years. They are used to obtain specific diagnostic information that hasn’t been provided by other imaging technologies, such as ultrasound, traditional X-ray and magnetic resonance imaging (MRI).
 At Legacy Heart Center, your CT scan will be performed on a new type of scanner called the General Electric LightSpeed® CT that can capture exceptionally high-resolution images of vascular structures, the heart and even the heart arteries in just a few seconds.
The system provides images that will allow your cardiologist to complete a thorough, non-invasive cardiac exam that will show any blockages in the heart arteries, the pumping action of the heart, the blood flow in the heart muscle and provide a coronary calcium score that can be used to assess a heart disease risk.
Following are some frequently asked questions about the test and how to prepare for it. Click on the question for the answer, which will appear below the questions.
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What Should I Expect?
A CT technologist will escort you into the CT scanning room, where you’ll see a table and a large, doughnut-shaped device called a gantry. The technologist will have you lie down on the padded table and make sure you’re comfortable. You’ll be asked to lie very still during the scan and hold your breath for a short time to minimize any body movement.
During the scan, you might hear a humming noise, but you will not feel anything unusual. You may feel the table move while images are being taken at certain locations of your body. The technologist will monitor you during the entire exam through a window and can communicate with you through an intercom.
The specific details of your upcoming examination will be explained fully by a CT technologist or your cardiologist.
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How Long Will the Exam Take?
The actual scan portion of the exam, takes only a few seconds. You will be asked to stay still and hold your breath as the CT scanner acquires the X-ray images of your body. Depending on the specific exam, the entire exam may take up to 45 minutes from beginning to end.
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Are IVs or Shots Involved?
Depending on the exam, a solution called “contrast” may be administered with an IV to help improve the accuracy of the examination. Because of this, it is very important to let your doctor know beforehand if you’ve ever had an allergic reaction to contrast, or if you have any other allergies, especially an allergy to iodine-based products or shellfish. In addition, the technologist will hook you up to a heart monitor.
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Are CT Examinations Safe?
Be assured that CT is a safe and effective diagnostic procedure. In fact, nearly 50 million CT exams are performed in the U.S. every year. Like many other radiology imaging technologies, CT has been cleared by the U.S. Food and Drug Administration. Additionally, LightSpeed® CT scanners have been designed with dose reduction features that minimize patients’ exposure to radiation.
Our CT technologist is certified by the American Registry of Radiology Technologists (ARRT), which provides education and certification. This helps to ensure that the people involved in your care are professionals who can safely operate the CT scanner, and obtain the best images to assist your doctor in making an accurate diagnosis.
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What is the preparation for the test?
Please wear a two piece outfit.
Please do not wear boots, jumpsuits, overalls, or a dress.
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What should I bring with me for the appointment?
Insurance Card
Referral for the test if required by your insurance company
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Where will the tests be performed?
The test will be performed at:
Legacy Heart Center
6601 Preston Road
Plano, Texas 75024
469-326-3400
Link to map
Once your appointment has been scheduled it is very important that you keep that appointment. If you are unable to keep the appointment, you must give the office at least 24 hours notice that you will not be there. Please contact us at the phone number above. Our busy schedule requires tight scheduling restrictions, and it would be appreciated if you would notify our office if you will be late for your appointment. We would appreciate your complete cooperation.
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Who will give me the results?
Your CT images will be interpreted and a report of the findings will be sent to your physician, who will then discuss the results with you.
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