- Contents

- Introducing the RF Field

- Magnetizatgion, Bloch Equations, and Relaxation
- Summary
- Magnetization Vector
- Longitudinal Spin Behavior and Spin-Lattice Relaxation
- Little Summary of Bloch Equations and Magnetization
- RF and Static Fields

- Quantum Mechanics and Precession
- Summary
- Proton in a Magnetic Field: Discreteness
- The Schrödinger Equation and Describing the Proton's State
- Quantum Mechanics to Precession
- In-Class Questions

- Quantum Mechanics and Longitudinal Relaxation

- Basics of Signal Detection
- Summary
- Faraday's Law of Induction and MR
- The MRI Signal and Reciprocity
- Signal from the Precessing Magnetization
- Demodulation: very briefly
- Relative Signal Strength

- Basics of Signal Acquisition
- Signal for an FID Experiment
- Sequence Diagrams and the FID Experiment
- The Mighty, Mighty Spin(RF)-Echo
- Repeated MR Experiment: Signal Effects (gonna be, signal reduction, you know it)
- The Not-so-Mighty, but pretty Handy Inversion Recovery Experiment
- Spectroscopy: The Once and Future King of MR
- In-Class Questions

- Introduction to Imaging
- Today's Focus
- Starting Simple: The Two Spin Example
- What really makes up a ``1D'' MRI Signal?
- The Imaging Equation
- Couple of Important Mathematical Functions (and their Fourier transforms)
- What about a distribution of Spins (real world)?
- The Gradient (or Field) Echo and
*k*-space Diagrams - Combine the Gradient Echo with the Spin Echo
- IN-CLASS PROBLEMS

- Imaging in More Dimensions
- Introduction to Imaging in More Dimensions
- Imaging in More Dimensions
- N-D Imaging and Sequence Diagrams
- Selecting a Slice or Slab of Spins
- 2D Imaging (interleaving is the name of the game)
- Spectroscopic Imaging (MRI is so cool ...)
- In-Class Questions

- Introduction to Fourier transform
- Today's Focus
- Brief Review of Imaging and Hardware
- Spectroscopic Imaging (MRI is so cool ...)
- Continuous Fourier Transform Properties
- Fourier Transform: Effects of Sampling
- The Discrete Fourier transform Pair
- IN-CLASS PROBLEMS

- More Fourier Transform: Sampling and Aliasing
- What to do?
- What Does Sampling Imply for the Reconstructed Image?
- Truncating the MRI Signal
- IN-CLASS PROBLEMS

- More Fourier Transform(2): Sampling and Aliasing

- Filtering and Resolution
- Overview
- Point Spread Function
- Resolution
- Gibbs Ringing and Filters
- MID-TERM NOTES
- Instructions
- Questions

- Signal, Noise, and Contrast
- Summary
- Signal and Noise
- SNR and Imaging Parameters: The Master Equation
- Contrast and Noise
- The Big Three MRI Image Contrasts
- Contrast Agents
- Partial Voluming
- In-Class Questions

- Fast Imaging in the Steady State
- Why Fast Imaging?
- Introduction to Fast Imaging in the Steady State
- Introduction to Short-, Spoiled, Gradient Echo Imaging
- Introduction to Short-, Coherent Gradient Echo Imaging (SSFP)
- SSFP Signal Formation Mechanisms
- With all of these Spin Pathways Floating Around, How Will Spoiling be Achieved?
- In-Class Questions

- Segmented
*k*-space Imaging and Single-Shot Techniques- Steady State Imaging???
- How do you select Acquisitions in MRI?
- Introduction to Methods for Collecting Multiple -space Lines after Each Excitation
- Introduction to Single-Shot EPI
- Repeated Spin Echoes to Collect Multiple -space Lines

- Effect of Flow on the Transverse MRI Signal: Velocity Encoding
- Please Don't Forget
- Today's Focus
- Effects on Spin Phase from Motion along the Read Direction
- Velocity Compensation along Read
- Velocity Compensation along PE
- Velocity Encoding

- Effect of Flow on the Longitudinal Magnetization Signal:
Time-of-Flight Effects
- Time-of-Flight Effects
- Visualizing Vasculature: MIPs
- Beyond Flow: Translational Anatomical Motion
- In-Class Questions

- Sequence Zoo
- State of the Class
- Choosing an Imaging Methodology
- Sequence Zoo
- Most Methods can be Combined with ...
- Common Artifacts
- In-Class Questions

- About this document ...