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| Result: Searchterm 'MRI Scan'
found in 28 messages |
| Result Pages: 1 2 3 4 [5] 6 |
More Results:  Database (31) News Service (319) Resources (55) |
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Patricia Burns
Fri. 24 Oct.08,
13:17
[Reply (1 of 5) to:
'Mobile MRI - Keeping Magnet Cold'
started by: 'Will B'
on Thu. 23 Oct.08]
 Category:
Devices, Scanner, Machines
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| Mobile MRI - Keeping Magnet Cold |
Will,
When a mobile MRI Scanner is in motion going from site to site a "ramp down" is performed before moving.This is when the magnetic field is lowered but not completely shut off. The field still keeps it's integrity due to the Cryogens that surround it. When it comes to the new site, a "ramp up" is performed to bring the magnetic strength back up to par. Bottom line...The Cryogens are not boiled off and keep the magnet cold when it is motion. If the magnet were to suddenly lose it's power, it could be due to a cryogen boil off.
p.burns
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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
Tue. 16 Sep.08,
12:41
[Start of:
'GE LX MRI Platform?'
3 Replies]
Category:
Devices, Scanner, Machines
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| GE LX MRI Platform? |
I'm working to gain an understanding of MRI equipment, specifically GE equipment, and I'm kind of confused by some of the terms that I see associated with the scanners when they are being listed for sale. Can anybody give me a quick idea about what is being talked about when they are referring to the "LX Platform" on a GE MRI scanner? I think it might have some relationship to phased array channels, but I'm not sure. I have also seen references to the "5X Platform" and the "Excite Platform", are these mutually exclusive to the LX platform (updated/prior models?) Thanks in advance to anyone with some GE experience who can help out.
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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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Fritz y
Wed. 5 Dec.07,
13:04
[Start of:
'How to measure air volume in part of the trachea or the nose!'
0 Reply]
Category:
Sequences and Imaging Parameters
|
| How to measure air volume in part of the trachea or the nose! |
Hi
I´m trying measure air volume in 3D and 2D space on a MRI scan.
What program is good to performe this measurement?
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