Chapter Home Page

Introduction
1. The Role of Magnetic Phenomena in MRI
1.1 Precession
1.2 The Larmor Equation
1.3 Bulk Magnetization
2. Creating and Measuring the MR Signal
2.1 The Rotating Reference Frame and the B₁ Field
2.2 Measuring the Signal
2.3 Signal Dependence on Field Strength and Element Being Imaged
3. Spatially Encoding the Spins for a 1D Imaging Experiment
3.1 Sequence Diagrams
4. Resolution and k-space Concepts
4.1 Aliasing, the Nyquist Conditions and Spatial Resolution
5. Slice Selection
6. Higher Dimensional Imaging
7. Spin Echoes Versus Gradient Echoes
8. Relaxation Phenomena and their Effects on Imaging
9. Signal-to-Noise
Conclusion

Image Bank