Magnetic Resonance Imaging (MRI) and Magnetic Resonance
Angiography (MRA)
Magnetic Resonance Imaging (MRI) is a powerful imaging technique that uses a combination of a strong magnet, radio waves, and a computer to produce exceptionally detailed images of the body and internal organs. No x-rays are used, and there is no harmful radiation. Magnetic Resonance Imaging can evaluate virtually all areas of the body, and is often used to visualize the brain, spine, bones, joints, abdomen, and pelvis. Magnetic Resonance Angiography (MRA) is used to assess blood vessels and blood flow.
All of our locations feature sophisticated, state-of-the-art, full-strength MRI scanners capable of producing the highest quality images, and are interpreted by radiologists with subspecialty training.
Because of the strong magnetic field produced by the scanner, patients must remove all metallic and electronic devices such as jewelry, hairpins, glasses, hearing aids, etc. Certain devices such as pacemakers, aneurysm clips, pumps, or metal implants are affected by the magnetic field and some people with these devices cannot undergo this examination. Sometimes metal from spine and orthopedic surgery causes artifacts that interfere with the images. The vast majority of patients will have no problems with the exam.
During the procedure, which lasts from 15 minutes to an hour (depending on the number and complexity of scans to be performed), the patient lies still on a table that slides into the scanner. The opening is flared to reduce claustrophobia. During the scanning process, a clicking and humming noise is created as the magnetic fields change and radio waves are sent from the scanner. The ability to hold still throughout the examination is very important in order to obtain the best images. Our skilled technologists will be in constant communication with the patient.
Contrast material may be administered intravenously in order to see internal structures more clearly. This contrast material is extremely safe. It does not contain iodine, and has an extremely low incidence of adverse reaction, although caution is recommended in patients with advanced renal failure and dialysis-dependent patients in order to reduce the risk of developing a rare condition (nephrogenic systemic fibrosis).
For more information on MRI and MRA scanning visit
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