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The Watercooler
anyone familiar with stenosis?
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<blockquote data-quote="Marguerite" data-source="post: 106345" data-attributes="member: 1991"><p>From my own limited understanding - stenosis means narrowing, and you can get it in a number of places. It's not a disease in itself. You can get stenosis of an artery, for example.</p><p></p><p>And MRI - the machine uses a magnetic field strong enough to lift a car. If you have ANY ferrous material in your body, anything likely to be affected by a magnetic field, the effect when they turn that big electromagnet on would be spectacular and perhaps also very nasty, as that bit of metal would leave wherever-it-is in your body and fly to the machine. Imagine an old war wound, the bullet still in the leg... you would hope the bullet wouldn't go through anything vital as it winged its way to the electromagnet. </p><p></p><p>Also, pacemakers can be affected by magnetic fields in their own right, and by other weird things. You WOULD think her primary care doctor would have known and not ordered the test. That's why MRI technicians double-check.</p><p></p><p>Marg</p></blockquote><p></p>
[QUOTE="Marguerite, post: 106345, member: 1991"] From my own limited understanding - stenosis means narrowing, and you can get it in a number of places. It's not a disease in itself. You can get stenosis of an artery, for example. And MRI - the machine uses a magnetic field strong enough to lift a car. If you have ANY ferrous material in your body, anything likely to be affected by a magnetic field, the effect when they turn that big electromagnet on would be spectacular and perhaps also very nasty, as that bit of metal would leave wherever-it-is in your body and fly to the machine. Imagine an old war wound, the bullet still in the leg... you would hope the bullet wouldn't go through anything vital as it winged its way to the electromagnet. Also, pacemakers can be affected by magnetic fields in their own right, and by other weird things. You WOULD think her primary care doctor would have known and not ordered the test. That's why MRI technicians double-check. Marg [/QUOTE]
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The Watercooler
anyone familiar with stenosis?
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