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Tammy Elliott

Tue. 14 Oct.08,
01:33

[Start of:
'doing a school project'
0 Reply]


 
  Category: 
Applications and Examinations

 
doing a school project
I am doing a project for school on the advances of MRI. My question is what types of diagnosis can be made now that could not be made 20 years ago?
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Reader Mail

Sun. 5 Oct.08,
03:48

[Start of:
'gradient preemphasis'
0 Reply]


 
  Category: 
Equipment

 
gradient preemphasis
Is the gradient preemphasis still used in the up-to-date MRI scanner equipped with the shielded gradient coil? Does the preemphasis become unnecessary in the future, or is it continued to be used?
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Stuart Allison

Wed. 17 Sep.08,
19:20

[Reply (2 of 4) to:
'GE LX MRI Platform?'
started by: 'Stuart Allison'
on Tue. 16 Sep.08]


 
  Category: 
Devices, Scanner, Machines

 
GE LX MRI Platform?
Marty,

Thanks for the information, it is very helpful. Do you know approximately when GE switched from 5X to LX, or from LX to Excite? Is it possible to upgrade a GE MRI from LX to Excite by replacing the workstation? Thanks again for your help.
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Marty Bennett

Wed. 17 Sep.08,
17:30

[Reply (1 of 4) to:
'GE LX MRI Platform?'
started by: 'Stuart Allison'
on Tue. 16 Sep.08]


 
  Category: 
Devices, Scanner, Machines

 
GE LX MRI Platform?
The LX platform is the last generation of "Signa" MRI's using the SGI Octane computer platform. GE generally uses the software version to identify systems. The LX is a 9x system. The 5x was pre- LX. The Excite, HD and HDx are 11x 12 x and 14x sysyems and use HP host computers.

Marty
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Neeta Vyas

Tue. 9 Sep.08,
00:46

[Start of:
'flow arifact'
1 Reply]


 
  Category: 
Artifacts

 
flow arifact
Hi Everyone,

I had experienced flow artifact while taking Axial images of a wrist on 1.5T Siemens MRI scanner. I was using a presaturation band to block the arterial blood flow but it was not making any difference and the artifact was still there.

The phase direction was A-P, and the artifact was in this direction.

Please help me to get rid of this artifact.
 
 

Neeta
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