After reading this chapter, you should be able:
- To present the different types of main magnet, their advantages and drawbacks
- Describe the role of liquid Helium and its safety implications (quench)
- Characterize a magnetic field gradient, its specifications and performance
- Describe the Eddy current effects
- Explain the origin of acoustic noise during MRI scanning
- Specify the components of the radiofrequency channel and the different types of antenna
- List the materials at risk and the precautions prior to an MRI examination
- Explain the origin of peripheral nerve stimulation during an MRI examination
- Present the factors affecting SAR and how to reduce it
Summary