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'Radio Frequency'
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Tue. 3 May.05,
21:21

[Start of:
'Radio frequency exposure'
1 Reply]


 
  Category: 
Basics and Physics

 
Radio frequency exposure
Is there a relationship between SAR and Gauss? A conversion formula? Also, is the EMF exposure reduced by the square or the cube of the distance?
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Reader Mail

Mon. 14 Jan.08,
22:49

[Reply (2 of 4) to:
'Mechanical Ventilator outside of Scan room'
started by: 'Dan Barrieau'
on Wed. 20 Jun.07]


 
  Category: 
Site Planning and Specifications

 
Mechanical Ventilator outside of Scan room
Just to add to that. The rooms are lined with copper mesh so that Radio Frequency (RF) outside the room will not affect the image quality (and vise versa so your monitors won't freak out). The tubes through the wall are long enough to absorb and basically prevent any RF from getting in or out. The place in question probably couldn't justify the money to buy an MR safe vent. And I can't think of any pump that would be safe inside the room; although, some sites will chance taking pumps in and keeping them at a distance from the magnetic field.
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