[ExI] Please indicate if you have any one of the following:

[Kevin Freels]

There are many excellent videos on youtube that show what happens when 
someone has a metallic object in the room with an MRI. One is a chair 
that flies up in the air and gets stuck to it! Neat stuff.

hkhenson wrote:
> At 07:14 AM 10/12/2007, Natasha wrote:
>
>   
>> Last night I had to fill out a form for an MRI.  It was a regular,
>> usual form, nothing out of the ordinary.  Had a drawing of a body,
>> front and back.
>>
>> The list has such items listed as:
>>
>> electronic implant or device
>> Magnetically-activated implant or device
>> Magnet therapy patch
>> Neurostimulation system
>> Spinal cord stimulator
>> Internal electrodes or wires
>> Bone growth/bone/fusion stimulator
>> Implanted drug infusion device
>> Any type of prosthesis/implant (eye, penile, etc.)
>> Eyelid spring or wire
>> Artificial or prosthetic limb
>> Radiation seeds or implants
>> Tissue expander
>>
>> (and the lists goes on....)
>>
>> When I see it in black and white, written down on a form, I have to
>> laugh at how cyborgization of body is an every day affair.
>>     
>
> I don't know if the big magnet would rip something magnetic out of a 
> person, but those big magnets are *dangerous.*
>
> Few years ago I was talking to a MRI tech who told me about the time 
> someone brought a steel E cylinder into the room in spite of all the 
> warnings to keep iron out.  About 15 or 20 feet from the magnet the 
> cylinder ripped loose at 50 g acceleration and went into the magnet 
> bore at about the velocity of an 18th century cannon 
> ball.  Fortunately nobody was in the way.  Took 6 days to cycle the 
> magnet down, pull out the oxygen cylinder and bring the magnet back 
> up to strength.
>
> Keith 
>
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>   
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