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Magnetic Resonance Imaging (MRI) What Is an MRI scan? MRI (Magnetic Resonance Imaging) is a medical imaging procedure that uses a strong magnetic field, radio frequency waves and sophisticated computer technology to obtain images with remarkable anatomic detail of a selected portion of your body. There is no x-ray involved. Computer analysis of the data allows the radiologist to view detailed anatomic images in multiple planes. How is an MRI Scan performed? You will lie on a table and will be positioned to optimize your comfort, placing the area of the body being examined in the correct position within the scanner. Each sequence of scanning takes several minutes and it is important for you to lie still while those scan sequences are obtained so that the detail of the images remains clear. The entire MRI examination takes approximately 30 to 45 minutes, but some exams can last longer. Some patients find it uncomfortable to remain still during the examination and some feel "closed in," but our advanced MRI systems have a more open architecture than older units helping to reduce the “closed in” feeling. For some exams you can listen to music through special headphones we provide. For others you will be given ear plugs. The technologist will have you in full view at all times, and you will able to communicate at any time via an intercom. Some examinations require the use of a contrast medium, injected through a vein in your arm. If this is necessary for you, we will discuss it with you before your exam and answer any questions you may have. How do I prepare for an MRI scan? Unless told otherwise, follow your normal daily routine, including taking any prescribed medications. Wear comfortable clothing as all patients must change into a gown. For food intake, view the specific guidelines below.
Please call ahead if any of the following apply to you:
Please do not wear any jewerly or piercings. If you can't remove a ring, that is acceptable. For any MRI of the head region, you are also asked not to wear make up or hairspray. Why do an MRI exam? MRI provides exquisitely detailed images of body tissues unobtainable through other procedures. It is often the exam of first choice to image disorders of joints, spine, brain, musculature, and other soft tissues. It has gained wide acceptance in studying vascular systems, and is often used in problem solving for assessing the abdominal and pelvic organs. With 3D techniques, blood vessels and the biliary system can be assessed preventing the need for much more invasive tests. Thus, it helps your physician make an accurate diagnosis and initiate treatment. MRI is safe and convenient for the majority of patients How will I learn about the results of my scan? The images from your examination will be interpreted by a Cascade Radiology Imaging radiologist who has expertise in MRI. These results will be promptly communicated to your physician, who will discuss the findings with you. |