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| Result: Searchterm 'MRI'
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Piotr Wdowiak
Mon. 27 Oct.08,
17:12
[Reply (4 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 |
Hi
Majority of mobile MRI scanners got onboard generators.
Once you plug off scanner from main external pawer onboard generator will start automaticly.
It keeps chiler running during the transport.
Onboard generator alows you switch on the system , but I wouldn't scan using onboard generator. This is just to keep running system when power supply failure.
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|  View the whole thread | | |
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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| | View the whole thread | | |
German Villegas
Tue. 14 Oct.08,
22:11
[Reply (3 of 4) to:
'Contrast MRA COW.'
started by: 'Marilia White'
on Thu. 3 Mar.05]
Category:
Contrast Agents
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| Contrast MRA COW. |
Just came from an MRI convention by Bill Faulkner according to him CE MRA COW is a very Diagnostic exam, no undesireble veins! I thought the same but it appears this exam has proven to be valuable in the diagnosis of oclusions, stenosis and aneurysms. I do not have a protocol, but am working to build one. I will post suggestions once I got something that works. Bill did mention it must be a dynamic scan quick enough to show arterial flow and then venous, so no more than 10 seconds per scan. Very few centers and hospitals offer this protocol but its in the works.
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| | View the whole thread | | |
Tammy Elliott
Tue. 14 Oct.08,
01:33
[Start of:
'doing a school project'
0 Reply]
Category:
Applications and Examinations
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| 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
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| 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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