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'pulse sequence' | | |
| Result: Searchterm 'pulse sequence'
found in 12 messages |
| Result Pages: 1 [2] 3 |
More Results:  Database (96) News Service (2) Resources (5) |
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Niels Janssen
Tue. 6 May.14,
11:24
[Start of:
'GE signa excite 3T - clustered volume acquisition'
0 Reply]
 Category:
Funktional MRI
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| GE signa excite 3T - clustered volume acquisition |
I am wondering if anyone has experience with so called 'clustered volume acquisition' on a GE signa excite 3T. Clustered volume acquisition (or sparse acquisition) means that you acquire images within the first 1000 ms of a 2000 ms TR, for example (Edmister et al., 1999, Human Brain Mapping). This method is useful because the machine will stop producing scanning noise in the final 1000 ms of the TR, which can then be used for recording speech inside the scanner (in fmri applications).
I am asking whether 1) this sequence can be programmed from the parameters menu on the scanner console, or 2) whether it requires compilation of a new pulse sequence.
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ajfreshh20 keaton
Mon. 30 Apr.12,
22:17
[Reply (1 of 3) to:
'Deaf MRI technicians?'
started by: 'Nicole Marsh'
on Thu. 5 Apr.12]
Category:
General
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| Deaf MRI technicians? |
Hi! Working as an MRI Technologist requires a lot of talking to the patient. You must screen the patients yourself, talk to them in between pulse sequences to ensure they are doing alright, and during breath hold exams. There is a huge safety factor with MRI with keeping certain metals away from the magnet so screening each and every person is a huge factor with being a MRI Technologist. As a MRI Technologist for a mobile company i speak with a radiologist that works at another facility for protocols and questions regarding exams and ensuring we get everything the patient and ordering doctor needs. If you have a MRI school in your area i would email or call them to see if any accomodations could be made, but i know from working mobile and at surrounding hospitals in this state and nearby states i live in, you would need to speak to the patient.
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Raymond Chang
Thu. 15 Sep.11,
18:03
[Start of:
'SEMS vs. STEMS'
0 Reply]
Category:
Sequences and Imaging Parameters
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| SEMS vs. STEMS |
I have a quick question about a pulse sequence. What is the difference between a conventional SEMS vs STEMS?
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Reader Mail
Wed. 1 Jun.11,
14:14
[Start of:
'Dixon technique'
1 Reply]
Category:
Sequences and Imaging Parameters
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| Dixon technique |
I have been searching the web for information regarding a "double-echo two-excitation pulse sequence encoding fat and water signals for a phase-sensitive three-point Dixon type analysis". Does anyone know what pulse sequence(s) this is referring to, or a publication that might be helpful???
Thanks
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Katelin Lyons
Fri. 27 May.11,
10:07
[Reply (1 of 4) to:
'Best pulse sequences for spinal cord demyelination?'
started by: 'Karen Lesley'
on Sat. 21 May.11]
Category:
Applications and Examinations
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| Best pulse sequences for spinal cord demyelination? |
Small spinal cord lesions, even if clinically significant, can be due to the low sensitivity of some pulse sequences. Demyelinating lesions are better seen on STIR-FSE images, on which the number of lesions are significantly higher than on FSE, while the FSE and CSE images show approximately equal numbers of lesions.So as STIR-FSE has high sensitivity to demyelinating lesions,it can be considered quite specific and should be included in spinal MRI for assessment of suspected demyelinating disease.
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