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Absorption and Emission - Used and Refurbished MRI Equipment - Distributors - Developers - MRI Technician and Technologist Jobs - Lung Imaging
 
Lattice Index Map
 
This parametric images reflect the similarity between the anisotropic diffusion of each pixel and that of its neighbors.
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• View the DATABASE results for 'Lattice Index Map' (2).Open this link in a new window

 
Further Reading:
  News & More:
Diffusion-Weighted MRI in the Body: Applications and Challenges in Oncology
Friday, 1 June 2007   by www.ajronline.org    
Legal Requirements
 
mri safety guidance
MRI Safety Guidance
The owner of MRI equipment has to ensure that the equipment does fulfill the local requirements.
In some countries, the requirements are more stringent than in others; in other countries, they are nonexistent.
The user in general is unable to check power output, gradient strength, or even field strength. The manufacturer has to cover authorized hardware and software updates after the initial installation and has to give guarantee for the requirements. Specially designed computer programs usually supervise the power output of MRI devices and will not allow or will interrupt any imaging or spectroscopy procedure exceeding those limits considered safe.

See also European Medicines Agency, FDA information:
www.fda.gov/cdrh/safety/mrisafety.html
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• View the DATABASE results for 'Legal Requirements' (3).Open this link in a new window

 
Further Reading:
  News & More:
A Primer on Medical Device Interactions with Magnetic Resonance Imaging Systems
   by govpulse.us    
MRI Resources 
Examinations - Implant and Prosthesis - Education pool - Stent - Abdominal Imaging - Musculoskeletal and Joint MRI
 
Line Scanning, Line Imaging
 
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Line Shape
 
Distribution of the relative strength of resonance as a function of frequency, which establishes a particular spectral line. Common line shapes are Lorentzian and Gaussian.
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• View the DATABASE results for 'Line Shape' (4).Open this link in a new window

Line Width
 
Spread in frequency of a resonance line in a MR spectrum. A common measure of the line width is full width at half maximum (FWHM).
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• View the DATABASE results for 'Line Width' (3).Open this link in a new window

 
Further Reading:
  Basics:
Full width at half maximum
   by en.wikipedia.org    
MRI Resources 
Bioinformatics - Pediatric and Fetal MRI - DICOM - Jobs - Blood Flow Imaging - Education
 
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New acceleration techniques will :
reduce scan times 
cause artifacts 
increase expenses 
be useful if you have a lot of experience 
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