I will never know. I’ve had Cat Scans, and various other scans but have a pacemaker, so no MRI’s.
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Yes - stay clear of MRIs with the pacemaker! They are like a long tube, & it is quite tight fitting. The first time I tried to go into one was not a good experience. I didn’t even get 1/2 way in & I started pushing the help button. Now, when I get one, I request the open MRI because its only about 2 ft of tube & huge inside. A lot of times if you tell your doctor that you’re claustrophobic, insurance companies will allow you to go where they offer the open MRI.
When they got the first MRI machine in this area there were articles emphasizing how much lead and concrete was in the building, so cars wouldn’t be pulled off the highway! No fun for somebody with built-in electronics.