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| Frequently Asked Questions (FAQ's) about CT Imaging Q: What is a CT Scan? Q: What will the exam be like? Q: What is a contrast media? Q: How long will the exam take? Q: When will I know the results? |
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| What is a CT Scan? CT or Computerized Tomography is essentially a computer-enhanced x-ray that is able to provide clearer images of both bone and soft tissue. Standard x-rays can be ineffective at times, because denser tissues can prevent clear imaging of areas behind them. In a CT scan, a computer assembles multiple images into three-dimensional sections or “slices.” This provides the physician with an unobstructed view of the entire area being examined. What will the exam be like? Our technologists have completed a rigorous course of education and training, and they work under close supervision of our radiologists to assure the most accurate results from your examination. Before the exam begins, the technologist — a highly-trained healthcare professional who works closely with our radiologists — will take you through the procedure step by step. He or she will answer any questions or concerns you may have to ensure a productive examination that is as stress-free as possible. When the technologist positions you on the imaging table you will be asked to remain perfectly still because, just like a shaking hand holding a camera, any movement might cause the image to be blurred and necessitate repeated scans. You will be moved into the small, air-conditioned scanning chamber, where you will be in full view of the technologist, who can communicate with you through a two-way microphone. The imaging process itself is quite brief, during which you will hear the hum of the scanner and feel slight movement of the table as it positions itself for the next scan. What is a contrast media? A contrast medium is a harmless substance given by mouth or injection that serves to outline vessels and organs to allow better, clearer images. You may feel a slight warm sensation when the dye moves through your body, but no discomfort. The medium passes harmlessly through your system and, depending on the examination area and contrast used, is eliminated within hours or days. How long will the exam take? Sitron-Hammel uses an advanced, multi-slice CT scanner, which allows for a shorter exam time than older CT systems. Generally, the exam takes about 10 to 15 minutes, including prep time. Your actual x-ray exposure time is very brief and depends on the specific imaging required. When will I know the results? Your radiologist will study the results and consult with your referring doctor. He or she will contact you to discuss the exam findings with you. |
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