CT Scan

64-Slice CT Scan

CT Scans in St. Pete, Florida


A CT scan is a computed tomography scan. This procedure used to be called a CAT scan, or computerized axial tomography. While the terms might be used interchangeably, the current term in use is CT scan. In simple terms, a CT scan takes x-rays and a computer to create detailed images of your bones, organs, blood vessels, and other tissues. At Saint Pete MRI, we perform CT scans on many different parts of the body. This is a non-invasive, painless diagnostic test.
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Why your doctor might order a CT scan


CT scans are performed for a wide variety of reasons. Your doctor will talk to you about why he or she recommends that you have a CT scan in St. Petersburg. Here are some reasons that patients are referred to us for this diagnostic imaging:
  • Cancer or tumor follow-up. If you are having a tumor diagnosed or if you have been having cancer treatment for some time, a CT scan can determine exactly where the tumor is and whether treatment is working.
  • Detection of internal injuries. If you have been in a car accident or had some other physical trauma, a CT scan can help your doctor determine the extent of your injuries, if any.
  • Changes in health conditions. Heart disease, liver disease, lung conditions, and other health concerns can be monitored with periodic CT scans.
  • Bone and joint problems. A CT scan will show more detail than a traditional x-ray and might be the diagnostic test of choice when you have a complex fracture or there is a suspicion of a tumor in a joint.
  • Muscle disorders. A CT scan can show issues with muscles of the body that might not be working the way they should be.
Remember, these are only examples of reasons that you might be referred to Saint Pete MRI for a CT scan. If you have questions about why you need your test, please ask your doctor for more information.

What to expect when you have a CT scan at Saint Pete MRI


When you arrive at Saint Pete MRI for your CT scan, you will first answer some questions about your health history, whether you have ever had contrast dye, and whether there is any chance you might be pregnant. When you schedule your test, you will be given instructions as to whether you should avoid eating for a certain period of time. Confirm with the technologist that you have followed those directions.

Next, the technologist will check your clothing that is covering the part of the body you are having scanned. Metal will interfere with the image, so if you have any jewelry, a belt with a metal buckle, or metal buttons on your clothing, you might need to remove it or put on scrubs.

If you are having contrast dye for your test, that will be administered. Depending on what type of CT scan you are having, it might be a drink that you swallow before the exam begins or a liquid that goes into your bloodstream via an IV or injection. Let the technologist know how you are feeling after having the contrast dye. If you have an IV, you might feel warm or cold and experience a metallic taste in your mouth. All of those side effects are normal and common. If you feel itchy, let the technologist know, as it could be a sign of a mild reaction to the dye.

During the CT scan itself, you will lay on a table that will move back and forth through the scanner, which is shaped like a ring. The x-rays are taken from the inside circumference of the circle. It is important that you stay still to avoid blurring the image. The technologist might ask you to hold your breath for several seconds at some points to minimize movement in your abdomen and chest. You will be able to communicate with the technologist during the test. A CT scan is a quick test, ranging from a few minutes to about 15 minutes in length.

After the test is over, you will be able to drive yourself home or to work and continue with your normal routine. If you had contrast dye, you should drink extra water for the next day or two to help clear it from your system. Your technologist will give you instructions to follow. Your doctor will have the radiologist’s report within 48 hours of your test.

The difference between a CT scan and an MRI


Many patients are unsure of the difference between a CT scan and an MRI. Both can create various images that can help your doctor diagnose, confirm, or rule out health conditions, but there are a few important differences.

First, an MRI uses a magnetic field and radio waves to create the images, while a CT scan uses x-rays. 

As far as the experience goes, a high-field MRI takes place inside of a tube or tunnel, and you will hear banging and thumping sounds. While these sounds are harmless and normal, some patients feel nervous. Open MRI machines are an option in some cases for claustrophobic patients. During a CT scan, there are no loud noises, and the ring that moves around you leaves a lot of open space, so you will be able to see around you. 

Your doctor will decide which type of diagnostic scan is appropriate for your unique situation. Talk to your doctor about which is right for you.

Saint Pete MRI provides CT scans to patients with no insurance


At Saint Pete MRI, we understand that finances can be an issue, particularly for patients with no health insurance. We participate as in-network providers for several insurance companies. In addition, we might be able to see you as an out-of-network provider if we do not participate with your plan. If you do not have health insurance, please call us to learn about our payment policies and fees.

Common patient concerns about CT scans


If this is the first time you will have a CT scan, it is understandable that you have questions and concerns. Please feel free to ask a member of our staff about any concerns you may have. Here are some common questions that are often asked:
  • Why do I need (or not need) contrast dye? Whether you need contrast dye depends on the reason for your CT scan. Your doctor will decide whether the dye is needed.
  • Will I be exposed to radiation? Yes, a CT scan will use radiation. Let the technologist know if you are pregnant. A CT scan can be done during pregnancy if the benefits outweigh the possible risk. Talk to your doctor about this concern if you are pregnant or trying to become pregnant.
  • Will I need sedation if I am claustrophobic? No, a CT scan is not likely to cause anxiety in claustrophobic patients. If you do need sedation for this test, it is important that you have someone drive you to and from your appointment.
If you need to schedule a CT scan at Saint Pete MRI, please contact us at your earliest convenience.
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