2019-01-25T10:10:25+00:00 Assignments

Introduction to Fast Imaging: Single shot Methods : A brief description of how each single shot sequence works.

This paper concentrates on the primary theme of Introduction to Fast Imaging: Single shot Methods : A brief description of how each single shot sequence works. in which you have to explain and evaluate its intricate aspects in detail. In addition to this, this paper has been reviewed and purchased by most of the students hence; it has been rated 4.8 points on the scale of 5 points. Besides, the price of this paper starts from £ 40. For more details and full access to the paper, please refer to the site.

Introduction to Fast Imaging: Single shot Methods

Introduction to Fast Imaging: Single shot Methods

Case Scenario B:

 

Your clinic is about to upgrade your old system and is installing a top-of-the-line 3T scanner with rapid gradients and high slew rates.  This means you can now do fast imaging with single-shot sequences, and your upgrade will include EPI, HASTE and Square Spiral. The clinic board would like you to put together a training guide for the MR technicians, and compare the three new sequences. It should be less than 15 pages (not including references), and should contain the following information:

 

 

1-A brief description of how each single shot sequence works.

2-The advantages and disadvantages of each of the new sequences.

3-Possible artefacts and corrections.

4-Potential applications (if any) of each new sequence, and what clinical situations would you select one over another.

The content of the manual will be worth 24 marks (6 marks for each section), with 6 marks for technical considerations – clarity; logical progression; writing quality, spelling, grammar, figures and referencing.

Introduction Fast imaging

Getting faster images opens a new world of dynamic and functional imaging, or allows the collection of a variety of contrasts and 3D methods within a relatively short clinical time frame. There are several tricks and techniques used to speed things up in MR.

 

This course will build on the fast spin echo methods mentioned

  • Single shot methods
  • Artefacts and image optimisation for fast imaging

 

  • Non Cartesian methods

 

  • K-space symmetry

 

  • Phase Sharing and keyhole imaging

 

  • Parallel Imaging

 

  • Clinical applications of fast imaging

This module will focus on two single shot methods, FSE and EPI

3/18

Spin echo: a review

Let us review the way in which a standard spin echo (SE) sequence samples k-space each repetition.

Note that one phase encoding step is completed each repetition time (TR). In carefully constructed sequences, extra slices are excited while waiting for T1 recovery, so one phase encoding step is acquired for several slices during TR.


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