This book covers all the existing imaging modalities currently in use in imaging departments, providing a sound basis for understanding how individual systems work. It is designed to be accessible to students without minimising the content. Although conventional imaging is being phased out, it still exists in certain areas, e.g. dental surgeries, and therefore is reduced in size and placed in an Appendix.The text has been restructured in list form to increase clarity and aid studyPedagogic features include an introduction and summary for each chapterGlossaries of imaging terms and computer buzz words, and a key to commonly used abbreviations are includedNew edition is completely rewritten: Digital imaging is main focusCT, ultrasound, MRI and NMR imaging added'Conventional' imaging retained as an AppendixText simplified, and block diagrams, flow charts and tables added to increase accessibility of content.