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Multi Echo Pulse SequenceInfoSheet: - Sequences -
Intro, Overview, 
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etc.MRI Resource Directory:
 - Sequences -
 
In standard SE MR imaging, each image line measured at each echo after the excitation 90° pulse is assigned to a different image, hence resulting in a multi echo pulse sequence.
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• View the DATABASE results for 'Multi Echo Pulse Sequence' (2).Open this link in a new window

 
Further Reading:
  Basics:
Fast Spin Echo(.pdf)
Tuesday, 24 January 2006   by www.81bones.net    
Multi Phase ImagingInfoSheet: - Sequences -
Intro, Overview, 
Types of, 
etc.
 
(MSMP) Multi slice multiple phases is a cardiac gated sequence with different heart phases and several slices.
(SSMP) Single slice multiple phase is a cardiac gated sequence with different heart phases in one slice.
 
Images, Movies, Sliders:
 Cardiac Infarct 4 Chamber Cine 1  Open this link in a new window
    
 
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Multi Shot Technique
 
When a multi shot technique is applied, each shot will have its own effect on the prepulse, with a scan time increase. Multiple shots allow a shorter IR delay but at the cost of increased scan time.
In multi shot technique (also called mosaic imaging), a group of samples, which are contiguous in k space are acquired in the same sequence repetition. The phase encoding steps or profiles are split into 'shots' (sub-acquisitions). The shot interval is the time between the shots. Usually kept as short as possible. Because the acquisitions are divided into different shots, each shot will have less T1 variation, thereby increasing T1 contrast. Two excitations, each requiring the data for one half of k-space, are the simplest variation of multi shot techniques (e.g. positive versus negative phase encoding). The alternative to this mosaic strategy for multi shot EPI is interleaving. In interleaved sequences, each repetition acquires every nth (n is the number of shots) line in k-space and for the complete raw data set the various repetition data are interlaced.

See also Single Shot Technique.
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Multi Slab
 
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• View the DATABASE results for 'Multi Slab' (20).Open this link in a new window

Multi Slice Imaging
 
An imaging technique in which the repetition period (TR) is utilized for acquiring additional slices in other layers or planes, in differentiation for 2D techniques where every repetition period is used for single slice. The maximum number of slices of a pulse sequence depends on the repetition time.
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• View the DATABASE results for 'Multi Slice Imaging' (2).Open this link in a new window

 
Further Reading:
  Basics:
Magnetic resonance imaging
   by www.scholarpedia.org    
The Basics of MRI
   by www.cis.rit.edu    
  News & More:
Magnetic resonance-guided motorized transcranial ultrasound system for blood-brain barrier permeabilization along arbitrary trajectories in rodents
Thursday, 24 December 2015   by www.ncbi.nlm.nih.gov    
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