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| Result: Searchterm 'HIS'
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Sue Wong
Wed. 28 Jan.09,
20:03
[Reply (1 of 2) to:
'Gradient modes'
started by: 'Angela Hoskinson'
on Thu. 22 Jan.09]
 Category:
Applications and Examinations
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| Gradient modes |
You pay for the noise reduction; the parameter 'whisper' reduces the gradient performance. Db/dt (and the noise of the scanner is depended on db/dt) is directly proportional to the gradient performance (slew rate).
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|  View the whole thread | | |
Angela Hoskinson
Thu. 22 Jan.09,
03:19
[Start of:
'Gradient modes'
1 Reply]
Category:
Applications and Examinations
|
| Gradient modes |
Does changing the gradient mode from "fast" to "whisper" have an effect on the image quality? I just did a PD FS on a knee and compared two sequences that were exactly the same except for one was "fast" and the other was "whisper", which also changed the TR and TE very slightly (TR from 1970 - 2100 and TE from 29 - 31). The whisper sequence was noticeably lower quality and I can't figure out why.
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Daren L
Tue. 20 Jan.09,
20:35
[Start of:
'New type of job for CT/MR Tech.'
1 Reply]
Category:
Jobs
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| New type of job for CT/MR Tech. |
I have been an MR Tech. for about 11 years now. CT for 4 years. I have pretty much always had a job scanning the bread-and-butter type of exams. I recently saw a job opening for a CT/MR Tech. who pretty much just does 3D reconstructions all day long. Not much scanning. I am interested in this type of job but haven't done much 3D stuff. Would I qualify for this type of job or is there a lot of training/experience that this job would require in 3D applications?
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Mike Benji
Tue. 13 Jan.09,
01:17
[Reply (2 of 7) to:
'Which MRI machine to buy?'
started by: 'Mike Benji'
on Fri. 12 Dec.08]
Category:
Devices, Scanner, Machines
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| Which MRI machine to buy? |
Sandra,
Yes, this is our first MRI machine, we are currently a broker. Through more research I agree with you and have decided on finding a GE Echospeed Plus, they can be found for around 250k and seem to offer great "bang for the buck"
Your thoughts?
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Sandra Wilson
Sat. 10 Jan.09,
03:43
[Reply (1 of 7) to:
'Which MRI machine to buy?'
started by: 'Mike Benji'
on Fri. 12 Dec.08]
Category:
Devices, Scanner, Machines
|
| Which MRI machine to buy? |
Hi Mike,
Is this your first MRI scanner purchase? I would recommend GE over Hitachi because it is more universal and it will be easier (and less expensive) to get service and refurbished parts. When you say high field do you mean 3.0? Since those are so costly, a 1.5T will give you the best value. That's what we currently use and with the right coils we obtain high quality images.
Hope that helps,
Sandra
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