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.
It's a catch-22 when you have knee pain from osteoarthritis. It hurts, so you don't want to move. But if you exercise, it can eventually make your knees feel better.
"I've gone a period of time when I haven’t moved a joint much and, when I first start, it's a little bit sore," says Denver physical therapist Eric Robertson, who has osteoarthritis. Robertson knows what it's like to be achy when he first starts moving. Your knee may hurt and ache, but it shouldn't keep you from doing your usual activities,...
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.