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| Result: Searchterm 'tr'
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Philip Lledo
Thu. 22 Oct.09,
08:15
[Start of:
'MRI Techologist'
0 Reply]
 Category:
Jobs
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| MRI Techologist |
Sir, Presently me working is Saudi Arabia under the Sponsor Ministry of Heath. I have 7 years experiece in the field of my expertise. I handled different types of machine, such as: Siemens Vision 1.5 Tesla Close MRI, Siemens Corcerto 0.2 Tesla Open MRI, Hitachi Aperto 0.4 Tesla Open MRI and Philips Achieva 1.5 Tesla Close MRI. Im holding a two license one from the Philippine Professional Regulation Commission and the other is from Saudi Council for Health Specialties. At the same time,i have been processing my registration for Heath professional Council (HPC)to be credited in the United Kingdom, London.
Many Thanks,
Philip C. Lledo
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yingjie mei
Wed. 21 Oct.09,
03:31
[Start of:
'Dynamic data of MRI'
2 Replies]
Category:
Basics and Physics
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| Dynamic data of MRI |
Hi,everybody. I'm now programming about reconstruction of parallel MRI, but the only problem is that I don't have any dynamic data, so can anyone tell me how can I get the data?
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crystal f
Sun. 18 Oct.09,
21:34
[Start of:
'Math equation'
3 Replies]
Category:
Basics and Physics
|
| Math equation |
Can some one help me w/this question.
From the following parameters what will the scan time be, in minutes, to acquire data?
TR 2000msec FREQUENCY STEPS 256
TE 60msec NEX 2
T1 800msec FLIP ANGLE 90
pixel .95x.95mm PHASE STEPS 192
THANKS
mr registry review
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Chris Newton
Fri. 16 Oct.09,
16:02
[Reply (1 of 3) to:
'Knee Protocol'
started by: 'Neeta Vyas'
on Fri. 16 Oct.09]
Category:
Protocols
|
| Knee Protocol |
Hi Neeta,
I'm also interested in scanning of knee cartilage and found this links helpful:
http://www.ajronline.org/cgi/content/full/185/4/899
http://cds.ismrm.org/ismrm-2004/Files/002399.pdf
In addition, when you google for
"Cartilage repair strategies" look for a Google Book
Kind Regards
Chris
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Lyle Downing
Sat. 26 Sep.09,
20:27
[Reply (4 of 12) to:
'90 excitation pulse vs 180 inversion pulse'
started by: 'Bjorn Redfors'
on Sat. 27 Jun.09]
Category:
Basics and Physics
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| 90 excitation pulse vs 180 inversion pulse |
Perhaps this will help shed some light on this.
Keep in mind that before the initial 90 pulse all protons contributing to the MR signal are in a relaxed state completely in alignment with the static magnetic field. Flipping them 90 degrees into the transverse plane does align them up initially and yes they do relax at different rates as they give up their energy. The 180 pulse takes whatever state they are in at the time and flips them in order to not make them all 180, but to quickly get a cleaner non contaminated representation of the tissues in question. So for example after the initial 90 and after letting the protons relax for a bit you might see water at say 50 degrees and fat at say 70 degrees flipping them 180 keeps whatever energy state they are in the time.
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