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MRI at a Glance, 3rd Edition

January 2016, ©2016, Wiley-Blackwell
MRI at a Glance, 3rd Edition (EHEP003452) cover image

Description

Highly Commended at the British Medical Association Book Awards 2016

MRI at a Glance encapsulates essential MRI physics knowledge. Illustrated in full colour throughout, its concise text explains complex information, to provide the perfect revision aid. It includes topics ranging from magnetism to safety, K space to pulse sequences, and image contrast to artefacts.
This third edition has been fully updated, with revised diagrams and new pedagogy, including 55 key points, tables, scan tips, equations, and learning points. There is also an expanded glossary and new appendices on optimizing image quality, parameters and trade-offs.

A companion website is also available at www.ataglanceseries.com/mri featuring animations, interactive multiple choice questions, and scan tips to improve your own MRI technique.

MRI at a Glance is ideal for student radiographers and MRI technologists, especially those undertaking the American Registry of Radiation Technologist (ARRT) MRI examination, as well as other health professionals involved in MRI.

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Table of Contents

Preface vii

Acknowledgements viii

How to use your textbook ix

About the companion website xi

1 Magnetism and electromagnetism 2

2 Atomic structure 4

3 Alignment 6

4 Precession 8

5 Resonance and signal generation 10

6 Contrast mechanisms 12

7 Relaxation mechanisms 14

8 T1 Recovery 16

9 T2 decay 18

10 T1 weighting 20

11 T2 weighting 22

12 PD weighting 24

13 Conventional spin echo 26

14 Fast or turbo spin echo – how it works 28

15 Fast or turbo spin echo – how it is used 30

16 Inversion recovery 32

17 Gradient echo – how it works 34

18 Gradient echo – how it is used 36

19 The steady state 38

20 Coherent gradient echo 40

21 Incoherent gradient echo 42

22 Steady-state free precession 44

23 Balanced gradient echo 46

24 Ultrafast sequences 48

25 Diffusion and perfusion imaging 50

26 Functional imaging techniques 52

27 Gradient functions 54

28 Slice selection 56

29 Phase encoding 58

30 Frequency encoding 60

31 K space – what is it? 62

32 K space – how is it filled? 64

33 K space and image quality 66

34 Data acquisition – frequency 68

35 Data acquisition – phase 70

36 Data acquisition – scan time 72

37 K space traversal and pulse sequences 74

38 Alternative K space filling techniques 76

39 Signal to noise ratio 78

40 Contrast to noise ratio 80

41 Spatial resolution 82

42 Chemical shift artefacts 84

43 Phase mismapping 86

44 Aliasing 88

45 Other artefacts 90

46 Flow phenomena 92

47 Time-of-flight MR angiography 94

48 Phase contrast MR angiography 96

49 Contrast-enhanced MR angiography 98

50 Contrast agents 100

51 Magnets 102

52 Radiofrequency coils 104

53 Gradients and other hardware 106

54 MR safety – bio-effects 108

55 MR safety – projectiles 110

Appendix 1a: The results of optimizing image quality 112

Appendix 1b: Parameters and their associated trade-offs 113

Appendix 2: Artefacts and their remedies 114

Appendix 3: Main manufacturers’ acronyms 115

Glossary 116

Index 121

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Author Information

Catherine Westbrook, Senior Lecturer and Course Leader, Faculty of Medical Science, Anglia Ruskin University, UK.
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Students Resources
Wiley Student Companion Site
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Purchase Options
E-book   
MRI at a Glance, 3rd Edition
ISBN : 978-1-119-05353-8
136 pages
December 2015
$37.99   BUY

Paperback   
MRI at a Glance, 3rd Edition
ISBN : 978-1-119-05355-2
136 pages
January 2016
$46.99   BUY

Wiley E-Text   
MRI at a Glance, 3rd Edition
ISBN : 978-1-119-05352-1
136 pages
January 2016
$46.99   BUY

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