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| Result: Searchterm 'sequence'
found in 106 messages |
| Result Pages: 1 2 3 4 5 6 7 8 [9] 10 11 12 13 14 15 16 17 18 19 20 21 22 |
More Results:  Database (378) News Service (28) Resources (10) |
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Eric Gonzalez
Thu. 11 Oct.12,
12:52
[Reply (1 of 2) to:
'STIR-TR'
started by: 'MICHAEL LONG'
on Fri. 14 Nov.08]
 Category:
Sequences and Imaging Parameters
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| STIR-TR |
My understanding with Stir is to have longer TR and shorter TE than a normal T2 sequence. Ive also wondered this question and have not found a definite answer as I guess it could vary from manufacturer to manufacturer?
Im on a Siemens Avanto 1.5T, and typically our STIR sequence ranges from:
TR = 4000 - 10,000ms (I try not to go beyond 7,000)
TE = 20 - 40ms
...obviously you can adjust values for different outcomes depending what you are trying to identify.
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|  View the whole thread | | |
Benjamin Timpauer
Thu. 4 Oct.12,
08:40
[Reply (5 of 10) to:
'ARMRIT in California?'
started by: 'James Benitez'
on Wed. 4 Jan.12]
Category:
Organisations
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| ARMRIT in California? |
Facts and performance do support the indisputable fact that ARMRIT professionals have a greater depth of study and assessment of their technique. ARRT techs are grounded in the modality involving radiation. Cross-training is never the same as dedicated didactic and hands on training with the longest externship vis-a-vis all other modalities...and that is ARMRIT.
California is recognizing ARMRIT. Maybe not at the rate it deserves, especially in hospitals. But it is progressing. ARRT has had a monopoly as a registry. Ultrasound was correct in setting up its own registry. ARMRIT is exercising that right as well; as well it should considering it is a non-ionizing modality to begin with. Several times I have come across ARRT techs who cross-trained for MRI and continually demonstrate "button-pushing", time-cutting habits. I have come across ARRT techs who are employed and doing CT work who are not even certified to do CT!!
The scope of ARRT is wide and the medical system is too privatized to monitor abuses of ARRT techs practicing as non-certified CT or MRI personnel under the umbrella of another certified employee. This is a major loophole that is absolutely doing a great disservice to patients and misrepresenting imaging professionals across the board.
And to those who have stated that ARMRIT is taking away jobs from ARRT.....well, if the qualifications fit the position, then what is the issue with the more qualified, better trained professional being offered the position?
Facilities are recognizing the value of an MRI professional with dedicated training. I was offered a staff technologist position before I even took my boards; the first time in this company's history to employ ARMRIT over ARRT.
During my first 3 months as an employed MRI technologist, I quickly recognized several inefficiencies within many existing protocols used daily at the facility for which I worked. I could not understand how for so long before I started work there, that these inaccurate and unrefined sequences could not have been addressed. Well, an ARRT tech, cross-trained in MRI wrote them.
No disrespect to ARRT. This is not a critique but an observation of the disparity of the domination of ARRT as a registry for modalities it should not have jurisdiction over.
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| | View the whole thread | | |
Dalton Fugita
Mon. 25 Jun.12,
03:02
[Reply (5 of 7) to:
'Imaging optic neuritis'
started by: 'Karen Lesley'
on Wed. 18 Jan.12]
Category:
General
|
| Imaging optic neuritis |
Hi,
I had a good experience with coronal FLAIR SPIR, FLAIR wtih FAT SAT. In chronic stages it´s even better than contrast enhanced, STIR and other sequences...
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| | View the whole thread | | |
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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| | View the whole thread | | |
Anna Lena Golay
Wed. 25 Jan.12,
20:59
[Reply (3 of 7) to:
'Imaging optic neuritis'
started by: 'Karen Lesley'
on Wed. 18 Jan.12]
Category:
General
|
| Imaging optic neuritis |
A 2-3 mm STIR sequence through the optic nerves may show the characteristic high-signal intensity of optic neuritis. Gadolinium enhanced T1-weighted fat-saturated (to suppress the bright signal of the orbital fat tissue) images of the orbits show the inflammation of the optic nerve. White matter lesions, which denote a higher risk of developing MS, are typical imaged with FLAIR and T2-weighted images (hyperintense lesions), or show enhancement of T1-weighted images postcontrast.
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| | View the whole thread | |
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