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MRI in Practice - Catherine Westbrook

Paperback Published: 26th October 2018
ISBN: 9781119391968
Number Of Pages: 416

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MRI in Practice continues to be the number one reference book and study guide for the registry review examination for MRI offered by the American Registry for Radiologic Technologists (ARRT).  This latest edition offers in-depth chapters covering all core areas, including: basic principles, image weighting and contrast, spin and gradient echo pulse sequences, spatial encoding, k-space, protocol optimization, artefacts, instrumentation, and MRI safety.

  • The leading MRI reference book and study guide.
  • Now with a greater focus on the physics behind MRI.
  • Offers, for the first time, equations and their explanations and scan tips.
  • Brand new chapters on MRI equipment, vascular imaging and safety.
  • Presented in full color, with additional illustrations and high-quality MRI images to aid understanding.
  • Includes refined, updated and expanded content throughout, along with more learning tips and practical applications.
  • Features a new glossary.

MRI in Practice is an important text for radiographers, technologists, radiology residents, radiologists, and other students and professionals working within imaging, including medical physicists and nurses.

Preface to the Fifth Edition


List of Acronyms

Equation symbols

About the Companion Website

Chapter 1 Basic principles


Atomic structure

Motion in the atom

MR active nuclei

The hydrogen nucleus


Net magnetic vector (NMV)

Precession and precessional (Larmor) frequency

Precessional phase


MR signal

Pulse timing parameters

Further reading

Chapter 2 Image weighting and contrast


Image contrast


T1 recovery

T2 decay

Contrast mechanisms

Relaxation in different tissues

T1 contrast

T2 contrast

Proton density contrast


Other contrast mechanisms

Further reading

Chapter 3 Spin echo pulse sequences


RF rephasing

Conventional spin echo

Fast or turbo spin echo FSE/TSE)

Inversion recovery (IR)

Short tau inversion recovery (STIR)

Fluid attenuated inversion recovery (FLAIR)

Further Reading

Chapter 4 Gradient echo pulse sequences


Variable flip angle

Gradient rephasing

Weighting in gradient echo pulse sequences

Weighting mechanism 1 extrinsic contrast parameters

Weighting mechanism 2 the steady state

Weighing mechanism 3 residual transverse magnetization

Coherent or rewound gradient echo

Incoherent or spoiled gradient echo

Reverse-echo gradient echo

Balanced gradient echo

Fast gradient echo

Echo planar imaging (EPI)

Further reading

Chapter 5 Spatial encoding


Mechanism of gradients

Gradient axes

Slice selection

Frequency encoding

Phase encoding


Data collection and image formation

Bringing it all together pulse sequence timing

Further reading

Chapter 6 k-space


Part 1 what is k-space?

Part 2 - how are data acquired and how are images created from this data?

Part 3 some important facts about k-space

Part 4: how do pulse sequences fill k-space?

Part 5: options that fill k-space

Further reading

Chapter 7 Protocol optimization


Signal to noise ratio (SNR)

Contrast to noise ratio (CNR)

Spatial resolution

Scan time


Protocol development and modification

Further reading

Chapter 8 Artefacts


Phase mismapping


Chemical shift artefact

Out of phase signal cancellation

Magnetic susceptibility artefact

Truncation artefact


Zipper artefact

Shading artefact

Moire artefact

Magic angle

Equipment faults

Flow artefacts

Flow-dependent (non-contrast enhanced) angiography

Black-blood imaging

Phase contrast MRA

Further reading

Chapter 9 Instrumentation



Scanner configurations

Magnet system

Magnet shielding

Shim system

Gradient system

RF system

Patient transport system

Computer system and graphic user interface

Further reading

Chapter 10 MRI safety

Introduction (and disclaimer)

Definitions used in MRI safety

Psychological effects

The spatially-varying static field

Electromagnetic (radiofrequency) fields

Time-Varying Gradient Magnetic Fields

Cryogen safety

Cryogen safety

Additional resources

Further reading




ISBN: 9781119391968
ISBN-10: 1119391962
Audience: Professional
Format: Paperback
Language: English
Number Of Pages: 416
Published: 26th October 2018
Publisher: John Wiley & Sons Inc
Country of Publication: US
Dimensions (cm): 25.5 x 20.5  x 1.5
Weight (kg): 0.91
Edition Number: 5

Earn 116 Qantas Points
on this Book