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'pulse sequences' | | |
| Result: Searchterm 'pulse sequences'
found in 8 messages |
| Result Pages: [1] 2 |
More Results:  Database (12) News Service (1) Resources (5) |
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John Smith
Wed. 11 Nov.15,
22:14
[Start of:
'Faster pulse sequences'
0 Reply]
 Category:
General
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| Faster pulse sequences |
Hi,
I have been learning about faster MRI sequences and have two questions
1) With "Fast (Turbo) gradient echo", in which we apply a spoiler gradient, do we not eventually end up with no longitudinal magnetization because TR is always shorter than T1? Hence shouldn't we eventually get no signal at all?
2) in SSFP (Steady-state free precession) we can apply an RF pulse of 90 degrees (in which T1>>T2) to get heart-blood contrast. How is this any different to a standard spin-echo sequence in terms of timing?
Thank you
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Karen Lesley
Sat. 21 May.11,
16:03
[Start of:
'Best pulse sequences for spinal cord demyelination?'
3 Replies]
Category:
Applications and Examinations
|
| Best pulse sequences for spinal cord demyelination? |
Hi all. I wonder if you can help? A friend has asked me to recommend the best protocols to detect demyelination. She is about to pay a fortune for a private 3T scan and doesn't want to waste her money. Problem is, although I know a fair bit about the brain, I know next to nothing about the spinal cord! I understand that FLAIR is not optimal in the spinal cord, but I'm getting mixed messages about what is from my reading. Is it FSE?! Any advice really gratefully received! Thanks :-)
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Marta Lancione
Thu. 5 May.16,
14:55
[Start of:
'Drawing MRI sequence'
0 Reply]
Category:
General
|
| Drawing MRI sequence |
Does anyone know of existing LaTeX macros or packages or any other software for drawing Magnetic Resonance Imaging pulse sequences?
I didn't find anything online. Thank you so much for your help!
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Rob Wilson
Sat. 24 May.14,
07:48
[Start of:
'new job in MRI'
0 Reply]
Category:
Jobs
|
| new job in MRI |
Hello, I have happily accepted a job working in MRI and CT having worked in just CT. I have a few months until I start and was wondering if anyone could recommend a few good books regarding basic physics and pulse sequences to get me started :) I will be working in a hospital with alot of cardiac work using seimans MRI scanners many thanks, Rob :)
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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
|
| 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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