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MRI is trending to low field magnets :
reduced costs will lead to this change 
AI will close the gap to high field 
only in remote areas 
is only temporary 
never 




 
MRI Forum
'Magnet'
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David Pierce

Thu. 22 Sep.11,
17:53

[Start of:
'MRI Magnet Room Cameras?'
6 Replies]


 
  Category: 
Equipment

 
MRI Magnet Room Cameras?
Hello All,

new to the forums and such. Anyhow, some of my fellow techs and friends in the business have been talking about these cameras that go in the magnet room of an MRI. Does anyone have any opinions here? I like to look at things from as many angles as I can before I take it up with the bean counters and the heads of my center.

Thanks!

Hawk
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Elise Gough

Wed. 23 Feb.11,
17:25

[Start of:
'6-1.5T MAGNETS, DIFFERING GRADIENTS'
7 Replies]


 
  Category: 
Applications and Examinations

 
6-1.5T MAGNETS, DIFFERING GRADIENTS
What parameter, if any, can compensate between magnets of equal field strength but very different gradient strengths? A T2 FAT sequence on one magnet can look very different on another magnet using same parameters.
 
 

Elise Gough RT(R)(CT)(MR)
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Will B

Thu. 23 Oct.08,
06:47

[Start of:
'Mobile MRI - Keeping Magnet Cold'
4 Replies]


 
  Category: 
Devices, Scanner, Machines

 
Mobile MRI - Keeping Magnet Cold
Hello,

I'm new to the MRI modality; I've mostly worked with CT over the years.

Something donned on me today, regarding mobile MRI's. How is the magnet kept from going warm while in transport?

Thanks,

Will
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Kathy Dumont

Sat. 5 Jan.08,
20:40

[Start of:
'Protection against magnetic exposure'
5 Replies]


 
  Category: 
Safety

 
Protection against magnetic exposure
Excuse me if I speak english very bad... I'm a frensh radiographer. I have discovered this site a long time ago. It's very well done. There are lots of informations. Thank you very much!
And I have read that you (in USA) have written some laws wich govern limits for patient or/and radiographer's magnetic exposure. Am I right? Where can I get the texts?
I hope you'll understand what I am searching for.
Thank you for your next answers.
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I L

Wed. 12 Oct.05,
22:52

[Start of:
'SAR, Magnetic field and exitation frequency'
1 Reply]


 
  Category: 
Basics and Physics

 
SAR, Magnetic field and exitation frequency
Could you give me the relation between the SAR and the exitation frequency for a given magnetic field ?
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