Look at this female nurse.
just walked into the MRI room.
The next second,
and her metal objects on her body
was violently pulled towards the machine.
so strong that even several adults couldn't hold her.
Don't think this is a science fiction movie.
This is a real accident.
Magnetic resonance imaging accident.
Magnetic resonance imaging,
abbreviation MRI,
is the most powerful perspective artifact in hospitals,
It can without injections
or radiation,
to see the muscles, blood vessels,
and even the direction of brain nerve fibers.
It sounds like magic,
but the principle is super scientific.
It doesn't rely on X-rays,
but by a super strong magnetic field.
The magnetic field of a common refrigerator magnet
is only about zero point zero zero five Tesla,
while the magnetic field intensity of MRI
is usually one point five to three Tesla.
which is hundreds of times stronger.
This magnetic force
is strong enough to instantly accelerate an iron block
Instantly speed up into "bullets."
call this flying metal object
call it the "projectile effect."
Many MRI accidents
actually stem from someone forgetting to remove metal.
belt buckles, mobile phones, bank cards,
and even some seemingly plastic dentures
may also contain metal.
More dangerous is the metal in the body.
Some early heart stents and steel plates,
or iron-containing tattoo ink
can be pulled or heated by the magnetic field,
So before each examination,
doctors will repeatedly remind
Change clothes and remove jewelry/
Determine if there are any metal implants
To understand the magnetic field of an MRI
is almost always on twenty-four hours a day.
That is to say,
the machine will not stop
stop working.
So once someone is negligent,
such as maintenance workers, cleaners,
or even a doctor enters with metal tools,
the consequences could be fatal...
In two thousand and one, a nurse in the US
carried a steel oxygen cylinder
entered the MRI room,
The oxygen cylinder was sucked into the machine by the magnet,
and the impact caused instant death.
One of the worst MRI accidents ever.
So
Don't underestimate this "camera"
It can see through your body,
and can instantly turn metal into bullets.
Each one says, "No metal."
signs
there are blood lessons behind it.