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Electromagnetics in Magnetic Resonance Imaging - Christopher M. Collins

Electromagnetics in Magnetic Resonance Imaging

Physical Principles, Related Applications, and Ongoing Developments
Buch | Hardcover
84 Seiten
2016
Morgan & Claypool Publishers (Verlag)
978-1-64327-909-1 (ISBN)
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Explains Magnetic Resonance Imaging (MRI) with an emphasis on the magnetic fields required, their generation, their concomitant electric fields, the various interactions of all these fields with the subject being imaged, and the implications of these interactions to image quality and patient safety.
In the past few decades, Magnetic Resonance Imaging (MRI) has become an indispensable tool in modern medicine, with MRI systems now available at every major hospital in the developed world. But for all its utility and prevalence, it is much less commonly understood and less readily explained than other common medical imaging techniques. Unlike optical, ultrasonic, X-ray (including CT), and nuclear medicine-based imaging, MRI does not rely primarily on simple transmission and/or reflection of energy, and the highest achievable resolution in MRI is orders of magnitude smaller that the smallest wavelength involved. In this book, MRI will be explained with emphasis on the magnetic fields required, their generation, their concomitant electric fields, the various interactions of all these fields with the subject being imaged, and the implications of these interactions to image quality and patient safety. Classical electromagnetics will be used to describe aspects from the fundamental phenomenon of nuclear precession through signal detection and MRI safety. Simple explanations and Illustrations combined with pertinent equations are designed to help the reader rapidly gain a fundamental understanding and an appreciation of this technology as it is used today, as well as ongoing advances that will increase its value in the future. Numerous references are included to facilitate further study with an emphasis on areas most directly related to electromagnetics.

Christopher Collins is a Professor in the Department of Radiology at the New York University School of Medicine. His research interest lies in the engineering and safety of electromagnetic fields in magnetic resonance imaging.

1. Fundamentals of MRI - Fields and Basic Pulse Sequences
2. Fundamentals of Signal-to-Noise Ratio
3. Fields and Hardware for MRI
4. Tissue/Field Interactions, MRI Safety, and Field-Related Image Artifacts
5. MRI-Based Measurement of Field Distributions and Tissue Heating
6. Recent and Ongoing Developments
7. Conclusion

Erscheinungsdatum
Reihe/Serie IOP Concise Physics
Verlagsort San Rafael
Sprache englisch
Themenwelt Medizinische Fachgebiete Radiologie / Bildgebende Verfahren Kernspintomographie (MRT)
Medizin / Pharmazie Studium
Technik
ISBN-10 1-64327-909-2 / 1643279092
ISBN-13 978-1-64327-909-1 / 9781643279091
Zustand Neuware
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