In diagnosing arthritis, an MRI (magnetic resonance imaging) scan can be helpful. An MRI scan is a test that produces very clear pictures of the human body without the use of X-rays. MRI uses a large magnet, radio waves, and a computer to produce these images.
Jerry Wade used to love bird-watching with his wife, an avid birder. "I'm not a birder myself, but I like being active and getting out there with her," he says. "Bird-watching puts you into natural areas and some rough terrain -- it's not an easy physical activity."
But in the fall of 2005, the 66-year-old Columbia, Mo., resident, who had retired in 2000 from a career in community development, started noticing "pains and twinges" in his knees. A visit to his doctor in January 2006 brought the diagnosis:...
To track the progress of disease. In repeat scans, MRI can determine how fast the arthritis is progressing.
Is the MRI Exam Safe?
Yes. The MRI exam poses no risk to the average person if appropriate safety guidelines are followed. People who have had heart surgery and people with the following medical devices can be safely examined with MRI:
Allow two hours for your MRI exam. In most cases, the procedure takes 40 to 80 minutes and produces multiple images.
What Happens Before the MRI Exam?
Personal items such as your watch, wallet (including any credit cards with magnetic strips that can be erased by the magnet), and jewelry should be left at home if possible or removed prior to the MRI scan. Secured lockers are available to store personal possessions.