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Credit CardsMRI Resource Directory:
 - Safety -
 
mri safety guidance
MRI Safety Guidance
The magnetic memory of credit and similar cards, as well as magnetic devices such as tapes, will be erased by MR magnets.
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• View the DATABASE results for 'Credit Cards' (2).Open this link in a new window

Crisscross / Herringbone ArtifactInfoSheet: - Artifacts -
Case Studies, 
Reduction Index, 
etc.MRI Resource Directory:
 - Artifacts -
 
Quick Overview
Please note that there are different common names for this artifact.
Artifact Information
NAME
Crisscross, Herringbone
DESCRIPTION
Crisscross or herringbone structures throughout the image
REASON
Hardware failure
HELP
Call the service
This artifact appears as a herringbone pattern scattered over the whole image in any direction only on one slice or on multiple slices. The causes of this are many and various, like e.g. electromagnetic spikes created by the gradients, electronic equipment inside the MR procedure room, or fluctuating AC current.
mri safety guidance
Image Guidance
Sometimes it is sufficient to change flickering light bulbs. If the problem increases or keeps on existing, it should be addressed by a service representative.
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• View the DATABASE results for 'Crisscross / Herringbone Artifact' (2).Open this link in a new window

MRI Resources 
Functional MRI - Blood Flow Imaging - Examinations - Contrast Enhanced MRI - Mobile MRI - Colonography
 
Cross Correlation Analysis
 
A mathematical method for evaluating whether two features, i.e., ROI measurements obtained from a temporal series of images, share common characteristics and are therefore correlated.
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Further Reading:
  News & More:
University of Texas supercomputer speeds real-time MRI analysis
Thursday, 2 March 2017   by www.information-management.com    
Cross Excitation ArtifactInfoSheet: - Artifacts -
Case Studies, 
Reduction Index, 
etc.MRI Resource Directory:
 - Artifacts -
 
Energy transfer to nearby slices by the RF pulse.

See Crosstalk Artifact.
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Crossed CoilInfoSheet: - Coils -
Intro, 
Overview, 
etc.MRI Resource Directory:
 - Coils -
 
RF coil pair arranged with their magnetic fields at right angles to each other in such a way as to minimize their mutual magnetic interaction.
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• View the DATABASE results for 'Crossed Coil' (2).Open this link in a new window

MRI Resources 
Health - Chemistry - MRI Physics - Resources - Patient Information - Colonography
 
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MRI is trending to low field magnets :
reduced costs will lead to this change 
AI will close the gap to high field 
only in remote areas 
is only temporary 
never 

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