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| Result: Searchterm 'HIS'
found in 303 messages |
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More Results:  Database (430) News Service (375) Resources (57) |
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Samuel Strode
Thu. 7 Aug.14,
22:17
[Start of:
'door alarm/ MRI pauses if door opens'
1 Reply]
 Category:
Devices, Scanner, Machines
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| door alarm/ MRI pauses if door opens |
Hello all. I am a engineering student that is studying everything that I can. I came across something that said MRI's are enclosed in a room (duh) but when the scan is going the door is "armed" so if it is opened the scan pauses. Is this true for all MRI's? I work in a small imaging center and when I asked the tech there he gave me a funny look and said go back to work. Can you help? Can you tell me which MRI system that you are using and whether or not it when the door opens the scan will pause or stop. If the scan stops is the series lost? is everything? or can you pick up where you left off. Thank you for your assistance. If you have any other information about MRI's pausing during scans, stopping, saving image quality, and you are willing to share please feel free to share.
I was bold in the pursuit of knowledge, never fearing to follow truth and reason to whatever results they led, and bearding every authority which stood in their way.
Thomas Jefferson
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Steven Ford
Tue. 5 Aug.14,
20:01
[Reply (1 of 2) to:
'?'
started by: 'Belinda Williams'
on Mon. 21 Jul.14]
Category:
Coils
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| ? |
Belinda,
It would be helpful if you would add a photo, even if you take a cellphone photo of your screen and blot out the name.
You did not say, but is this a new problem?
In general, if one orientation looks worse than others, you may have a magnet shim problem; you can crudely test this yourself by using a cylinder type phantom and doing an identical scan in three planes. A shim problem would affect T2's more than T1 or PD images also.
There is always a possibility that your sequences have changed without you realizing it too; check this even if you don't know how that would have happened.
Steven Ford
Professional Imaging Services, Inc.
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Reader Mail
Thu. 17 Jul.14,
15:02
[Start of:
'Prone plantarflexion ankle MRI-upside down dicom images'
0 Reply]
Category:
General
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| Prone plantarflexion ankle MRI-upside down dicom images |
We have been performing our ankle MRI exams in prone plantarflexion in order to decreased magic angle artifact. The images are beautiful and much easier to interpret. However, they come out upside down and reversed from the scanner. We have the techs flip them correctly in our PACS. Unfortunately, many of our referring doctors have their own separate pacs system and they take the dicom data from the disc we create for the patient and load into their system. When they do this, the images are again upside down and reversed. We are using GE 3T systems. Anyone have any thoughts or recommendations on how to fix the dicom images that are burned onto the disc? Thanks.
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judy vitanza
Thu. 26 Jun.14,
22:46
[Reply (16 of 17) to:
'ARMRIT to ARRT pathway - - - HELP'
started by: 'Gerald Del Castillo'
on Fri. 30 Nov.07]
Category:
Organisations
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| ARMRIT to ARRT pathway - - - HELP |
You can sit for the Exam, (this is kind of a new rule). Once you pass the ARRT exam, apply for your state license. In NY, you can apply for license to inject contrast materials at the same time or after you have a state license, but you have to document RN has trained and comped you and MD signs off that you are competent.
The first step is to contact the ARRT. Just go on line google ARRT and seach MRI exam content specs, review the content specs for the exam and start studying!! Good Luck.
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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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