Fun with an MRI magnet
1:44
Fun with an MRI magnet
432.5K viewsJul 25, 2012
portall.zp.ua
An MRI machine is basically a giant magnet, and if you have metal in your body, things can get dangerous fast. The strong magnetic field can pull on certain metals, causing them to shift or even heat up. That means an old surgical screw or a piece of shrapnel could move inside you, which is obviously bad news. Some implants, like older pacemakers, can also malfunction. Not all metal is a problem—titanium and some surgical implants are MRI-safe—but you always need to check with your doctor before
1:01
An MRI machine is basically a giant magnet, and if you have metal in y…
6K views9 months ago
FacebookThatis Newton
The presence of metal can be a serious problem in MRI, because Magnetic metals can experience a force in the scanner, Long wires (such as in pacemakers) can result in induced currents and heating from the RF magnetic field, and Metals cause the static (BO) magnetic field to be inhomogeneous, causing severe image degradation. | Science Of The Universe
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Be careful with anything containing ferrous metal near an MRI machine! As an orthopedic surgeon, I order MRIs often. I've heard stories and seen pictures of oxygen tanks, stretchers, chairs, and many other objects containing iron that were sucked into the machine. While there is an emergency off switch for an MRI machine, it can cost $50,000 or more to turn an MRI machine off and back on due to the amount of energy that is required and helium that is utilized. Some metals such as aluminum, coppe
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