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Samples from the Textbook


All
you really need to know
About MRI Physics

By Moriel NessAiver, Ph.D

 

 

 

 

Table of Contents

 

Go read chapter 2 online!


 

TABLE OF CONTENTS

Chapter 1: Background
  • Electrostatics
  • Electrodynamics
  • Basic Magnetism
  • Electromagnetism
  • Vectors & Complex Numbers

Chapter 2: Basic Nuclear Magnetic Resonance

  • Magnetic Properties of Protons
  • Resonance Frequency
  • NMR Signal
  • T1 Recovery
  • T2 Relaxation
  • T2* Dephasing
  • Spin Echo Formation

Chapter 3: MRI Hardware

  • Types of Magnets
  • Magnetic Gradients
  • RF System
  • Computer

Chapter 4: Spatial Localization

  • Slice Selection
  • Frequency Encoding
  • Phase Encoding
  • Wrap Around (Aliasing)

Chapter 5: Imaging Sequences Part I

  • Gradient Echo
  • Spin Echo
  • Multi-Slice Imaing
  • Inversion Recovery
  • Gadolinium Contrast Agents

Chapter 6: Introduction to k-Space

  • Fourier Transform
  • Example MRI Data
  • Magnitude and Phase Images
  • Spatial Frequency
  • View Acquisition Order
  • Complex Conjugate Symmetry

Chapter 7: Advanced Concepts (More About Echoes)

  • Hahn Echo
  • Stimulated Echo
  • Steady State Gradient Echoes
  • Spoiled Gradient Echoes
  • Magnetization Prepared Imaging
Chapter 8: Imaging Sequences Part II
  • Fast Spin Echo
  • 3D Volume Imaging
  • Chemical Shift and Presaturation
  • Spatial Presaturation
  • Echo Planar Imaging
  • Spiral k-Space Imaging

Chapter 9: Flow, Angiography & Cardiac Imaging

  • Flow Void & Flow Enhancement
  • MR Angiography
  • Time of Flight
  • Phase Contrast
  • ECG Gating
  • Static Imaging
  • Dynamic Cine Imaging
  • Segmented k-space
  • Coronary Imaging

Chapter 10: Image Quality

  • Measuring Signal to Noise Ratio
  • Sources of Signal and Noise
  • What affects the SNR
  • Scan Time
  • Spatial Resolution
  • Variable Bandwidth
  • Review of Imaging Paramters

Chapter 11: Artifacts

  • Motion & Ghosting
  • Magnetic Susceptibility
  • Data Clipping
  • Bad Data Points
  • Zipper Artifact
  • Partial Volume
  • Truncation
  • Wrap Around
  • Chemical Shift

 

All of Chapter 2, "Basic Nuclear Magnetic Resonance", and introduction to MRI is now online! Click Here to read it!

 
 

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