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Result : Searchterm 'Gauss' found in 6 terms [] and 68 definitions []
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GaussForum -
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(G) An older unit of flux density. The currently preferred SI unit is the tesla (T).
Definition: 1 gauss is defined as 1 line of flux per cm2. The Earth's magnetic field is approximately one half gauss to one gauss, depending on location. For the large magnetic fields used by MRI, the unit gauss (G) has been replaced by the more practical unit tesla (T), where 1 T = 10 000 G.
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• Related Searches:
    • Superconducting Magnet
    • Faraday Cage
    • 5 Gauss Limit
    • 5 Gauss Fringe Field
    • Contraindications
 
Further Reading:
  Basics:
A Short History of the Magnetic Resonance Imaging (MRI)
   by www.teslasociety.com    
Magnetic Field
   by hyperphysics.phy-astr.gsu.edu    
  News & More:
Self-assembling gauss gun idea would heal patients from the inside
Saturday, 27 June 2015   by www.engadget.com    
Hamilton Medical's MRI Compatible Ventilator Cleared in U.S.
Monday, 10 February 2014   by www.medgadget.com    
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Radiology  (4) Open this link in a new window
5 Gauss Line
 
This line specifies the perimeter around a MR scanner within which the static magnetic fields are higher than five gauss. Five gauss and below are considered 'safe' levels of static magnetic field exposure for the general public.
Portable devices requiring a separation distance between the device and the MR magnet, should not be considered 'MR Safe', 'MR Compatible', or intended for use in the MR environment. Typically the 5 gauss line is the only location where the static magnetic field strength is specified around a MR scanner. Therefore, labeling specifying a separation distance between the MR magnet and the device to ensure safe or proper operation of the device should be avoided.

See also the related poll result: 'In 2010 your scanner will probably work with a field strength of'
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Further Reading:
  News & More:
Boston Scientific and Biophan in MRI Collaboration
Friday, 21 November 2003   by www.medimaging.net    
World's First Portable MRI Cleared by FDA
Monday, 17 February 2020   by www.medgadget.com    
MRI Resources 
MRI Physics - General - Anatomy - Resources - Knee MRI - Safety Products
 
5 Gauss LimitMRI Resource Directory:
 - Safety -
 
The national regulatory boards decided to limit the threshold for access to MRI areas to 5 gauss.
mri safety guidance
MRI Safety Guidance
It is of special interest for the observer of bureaucratic procedures that the 5 gauss safety limit is ten times higher than the average earth magnetic field, but lower than the magnetic field in electric trains such as subways (up to 7 gauss). For example, the fields measured on the surface of the receiver of a telephone are 35 gauss and of an audio headset 100 gauss.
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Further Reading:
  Basics:
Magnetic Sensitivity of MRI Systems to External Iron: The Design Process
   by www.integratedsoft.com    
  News & More:
A Primer on Medical Device Interactions with Magnetic Resonance Imaging Systems
   by govpulse.us    
Modern Implantable Heart Devices Safe For Use In MRI Scans
Wednesday, 16 March 2005   by www.sciencedaily.com    
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Gaussian Noise
 
Noise distributed in a normal (Gaussian) pattern. In such a distribution, approximately 65% of all points fall within one standard deviation (s) of the mean.
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Further Reading:
  Basics:
The Rician Distribution of Noisy MRI Data
Monday, 25 February 2008   by www.ncbi.nlm.nih.gov    
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Radiology  (4) Open this link in a new window
Gaussian Line Shape
 
A line shape characterized by a bell-shaped form; proportional to exp (-(f - f0)2/Df2) where Df is a measure of the line width.
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