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| Result: Searchterm 'tr'
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Lirong TAN
Thu. 23 Jun.11,
02:44
[Start of:
'fMRI frequency range'
0 Reply]
 Category:
Funktional MRI
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| fMRI frequency range |
Hi,
I am trying to decompose the original fMRI time series into several components with different frequency ranges. I use the MODWT wavelet analysis. To obtain the components' frequencies, I need to know the frequency range of the original fMRI signal. Is it 0-1/TR?
Thanks a lot.
Lirong
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Katelin Lyons
Tue. 21 Jun.11,
09:53
[Reply (3 of 5) to:
'Building 3d Volumes from MRI DICOM'
started by: 'Robert Patten'
on Thu. 3 Mar.11]
Category:
General
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| Building 3d Volumes from MRI DICOM |
3D Volume Rendering is not just a graphic aid for trial like a medical illustration, but an actual clinical tool. Segmentation of an MRI image involves the clear delineation of organs and features.
3D Volume Rendering is becoming essential for displaying CT and MRI results as the images can be visualized and understood by non-radiology physicians and laymen easily.
But as its new to the legal community, 3D Volume rendering has been admitted as evidence at trial on numerous occasions and has yet to be excluded. As it involves medical illustrations and animations together hence this technology is encountering initial objections that will be overcome easily in near future.
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| | View the whole thread | | |
Steven Ford
Tue. 7 Jun.11,
18:03
[Reply (2 of 3) to:
'LCD Display Monitors'
started by: 'robert popilock'
on Mon. 23 May.11]
Category:
Safety
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| LCD Display Monitors |
I think that the question is, can you use a display near the magnet, inside the RF shielded room?
The short answer is, No, unless it's specifically marked MR-safe and/or included in equipment that's specificaly designed to be near the magnet, such as an injector.
The problem with using, for example, a monitor from Best Buy is that it will probably emit RF energy that will corrupt the very weak MRI signal recieved from the patient's body. Of course, there is also the question of anchoring the monitor to prevent it from being attracted into the magnet.
In general, an off the shelf monitor will not be affected by the magnet.
You can buy special RF shielded monitors, or enclosures.
If you were thinking about adding a patient DVD viewing capability, there are several other concerns to keep in mind. The signal feeding the monitor must be filtered where it enters the RF shield.
Steven Ford
Professional Imaging Services, Inc.
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Katelin Lyons
Fri. 3 Jun.11,
11:55
[Reply (1 of 2) to:
'Dixon technique'
started by: 'Reader Mail'
on Wed. 1 Jun.11]
Category:
Sequences and Imaging Parameters
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| Dixon technique |
Dixon technique uses alternative water/fat phase-encoding strategies. The technique is generalized to phase encoding of theta radians, and the signal-to-noise ratio (S/N) performance is evaluated.To get some more information regarding this please check out the following link : http://www.ncbi.nlm.nih.gov/pubmed/18777528
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Katelin Lyons
Fri. 27 May.11,
09:51
[Reply (1 of 2) to:
'Career as a Physician'
started by: 'Aaliah Thomas'
on Fri. 27 May.11]
Category:
General
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| Career as a Physician |
Yes its true a physician's career is on high demand. With the growth in population and growth in medical sectors job opportunities are rising.To be a successful physician one should keep the following things in mind:
*Doctors must have a very strong grasp of math and science, chemistry and biology, and be able to analyze information and solve problems.
*Should exhibit excellent interpersonal skills in order to communicate effectively with patients and their families.
*Must be able to think quickly on their feet, and make critical decisions accurately and efficiently.
*If he aims to go into private practice and own a health care business, it would be helpful to have a basic understanding of business and accounting principles as well.
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