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| Result: Searchterm 'tr'
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Adana Osco Barras
Tue. 3 Jan.12,
21:09
[Reply (1 of 2) to:
'Hyperintense blood vessels in SE'
started by: 'Peruvumba Jayakumar'
on Thu. 29 Dec.11]
 Category:
Sequences and Imaging Parameters
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| Hyperintense blood vessels in SE |
Prolonged T1 relaxation times, decreased T1 tissue contrast, and increased susceptibility rnare typical effects at high field MRI.rnDue to the longer T1 times at 3T, the signal rnintensity inside the vessels is preserved even in smaller vessels. Try TR 700, TE 10.rnInversion recovery sequences are very well suited for optimal gray to white matter contrast, but enhancement after administration of gadolinium may not be visible.
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Peruvumba Jayakumar
Thu. 29 Dec.11,
06:38
[Start of:
'Hyperintense blood vessels in SE'
1 Reply]
Category:
Sequences and Imaging Parameters
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| Hyperintense blood vessels in SE |
I am troubled by the blood vessels appearing bright on routine SE T1w images of the brain on 3T TIM system.
How can I avoid it?
Can I substitute T1 SE by T1 IR as a part of routine protocol?
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Jack McIntire
Tue. 25 Oct.11,
18:53
[Reply (5 of 7) to:
'MRI Magnet Room Cameras?'
started by: 'David Pierce'
on Thu. 22 Sep.11]
Category:
Equipment
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| MRI Magnet Room Cameras? |
The system is simple to use, but d@mn helpful. It comes with instructions, and even then I can be a bit thick, so I've called for help with the stereo bit. They didn't mind helping me out over the phone, and when we found the problem I realized how little I use technology outside of my field.rnrn The install took about an hour and a half, but the engineer for our building said it was easy - and that didn't cut too bad into scan time. We just made sure it was a slow day when we decided to install. rnrn We went through this company: SoundImaging.com We had used them for upgrades and parts before, so we knew who we were talking to and that we could trust the equipment.
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Reader Mail
Fri. 30 Sep.11,
19:09
[Reply (1 of 7) to:
'MRI Magnet Room Cameras?'
started by: 'David Pierce'
on Thu. 22 Sep.11]
Category:
Equipment
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| MRI Magnet Room Cameras? |
We have installed cameras in our MRI rooms in most of our locations and find them very useful for monitoring patients. Easy to spot them moving without having to get up and strain our necks.
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Glad Mihai
Mon. 26 Sep.11,
11:53
[Start of:
'Siemens CINE Sequence details'
0 Reply]
Category:
Sequences and Imaging Parameters
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| Siemens CINE Sequence details |
Hello there fellow NMR enthusiasts, I have a question regarding the CINE-Sequence that a Siemens 3 T scanner does, in particular I am interested in the retro iPAT sequence. What I want to know is what the exact parameters are.
For example, I have set a TR of 2.7 ms, but the actual recording time of one scan is close to 300 ms. Why is that? What else gets added to this time?
If anyone has links to useful information about sequences, then I am more than happy to check them out.
Regards, Glad
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