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This volume presents the proceedings of a New York Academy of Sciences conference, held in May 1991. It represents an up-to-date assessment of the biological effects and safety hazards associated with magnetic resonance imaging (MRI) and spectroscopy. The interaction of electric and magnetic fields present within the surrounding MRI systems with cells, organs and whole animals is carefully analysed. Experts in medicine, medical physics and bioelectromagnetics provide a review of the hazards known to occur in existing MRI systems and a framework for the study of new problems that may emerge with the development of advanced MRI systems.
In vivo magnetic resonance imaging (MRI) has evolved into a versatile and critical, if not ‘gold standard’, imaging tool with applications ranging from the physical sciences to the clinical ‘-ology’. In addition, there is a vast amount of accumulated but unpublished inside knowledge on what is needed to perform a safe, in vivo MRI. The goal of this comprehensive text, written by an outstanding group of world experts, is to present information about the effect of the MRI environment on the human body, and tools and methods to quantify such effects. By presenting such information all in one place, the expectation is that this book will help everyone interested in the Safety and Biological Effects in MRI find relevant information relatively quickly and know where we stand as a community. The information is expected to improve patient safety in the MR scanners of today, and facilitate developing faster, more powerful, yet safer MR scanners of tomorrow. This book is arranged in three sections. The first, named ‘Static and Gradient Fields’ (Chapters 1-9), presents the effects of static magnetic field and the gradients of magnetic field, in time and space, on the human body. The second section, named ‘Radiofrequency Fields’ (Chapters 10-30), presents ways to quantify radiofrequency (RF) field induced heating in patients undergoing MRI. The effect of the three fields of MRI environment (i.e. Static Magnetic Field, Time-varying Gradient Magnetic Field, and RF Field) on medical devices, that may be carried into the environment with patients, is also included. Finally, the third section, named ‘Engineering’ (chapters 31-35), presents the basic background engineering information regarding the equipment (i.e. superconducting magnets, gradient coils, and RF coils) that produce the Static Magnetic Field, Time-varying Gradient Magnetic Field, and RF Field. The book is intended for undergraduate and post-graduate students, engineers, physicists, biologists, clinicians, MR technologists, other healthcare professionals, and everyone else who might be interested in looking into the role of MRI environment on patient safety, as well as those just wishing to update their knowledge of the state of MRI safety. Those, who are learning about MRI or training in magnetic resonance in medicine, will find the book a useful compendium of the current state of the art of the field.
Published in 1989: The short history of medical use of NMR is given. A brief introduction to the fundamental principles of NMR and the strategies of creating NMR image, as well as the exposure levels of various types of fields involved, are given.
University of Southern California, Los Angeles. Handbook on the bioeffects of MR and its safety issues, for radiologists. Discusses potential risks to patients and professionals. Offers guidelines for daily practice. Softcover. DNLM: Magnetic Resonance Imaging - adverse effects.
Magnetic Resonance Imaging: Physical and Biological Principles, 4th Edition offers comprehensive, well-illustrated coverage on this specialized subject at a level that does not require an extensive background in math and physics. It covers the fundamentals and principles of conventional MRI along with the latest fast imaging techniques and their applications. Beginning with an overview of the fundamentals of electricity and magnetism (Part 1), Parts 2 and 3 present an in-depth explanation of how MRI works. The latest imaging methods are presented in Parts 4 and 5, and the final section (Part 6) covers personnel and patient safety and administration issues. This book is perfect for student radiographers and practicing technologists preparing to take the MRI advanced certification exam offered by the American Registry of Radiologic Technologists (ARRT). "I would recommend it to anyone starting their MRI training and anyone trying to teach MRI to others." Reviewed by RAD Magazine, June 2015 Challenge questions at the end of each chapter help you assess your comprehension. Chapter outlines and objectives assist you in following the hierarchy of material in the text. Penguin boxes highlight key points in the book to help you retain the most important information and concepts in the text. NEW! Two MRI practice exams that mirror the test items in each ARRT category have been added to the end of the text to help you replicate the ARRT exam experience. NEW! Chapter on Partially Parallel Magnetic Resonance Imaging increases the comprehensiveness of the text. NEW! Updated key terms have been added to each chapter with an updated glossary defining each term.
Magnetic Resonance Procedures: Health Effects and Safety is the first authoritative text on MR procedures and its associated health and safety concerns written by noted radiologists, physicists, and scientists with expertise in the field. It contains both theoretical and practical information. This timely text discusses emergent issues related to MR imaging and concerns such as shielding, the safe use of contrast agents, and management of patients with claustrophobia, anxiety, and emotional stress. It also contains a sample pre-MR screening form; comprehensive safety information for over 700 implants, devices, and materials; a list of medical devices and products for interventional MR procedures; and a summary of peer-reviewed MR safety studies. In the wake of recent government demands for increased patient safety in hospitals, along with the rapidly expanding use of MRI, this book is particularly important. It is the definitive resource for information on the safety aspects of magnetic resonance procedures.
Magnetic Resonance Spectroscopy in Biology and Medicine , presents the experimental and basic aspects of functional and pathological tissue characterization of MRS. A balance is drawn between the basic science, practical technologies and biomedical applications. Covering recent developments in the field: localization, 2D NMR, spectroscopic imaging, data quantification and quality assessment, as well as the basic principles of magnetic resonance spectroscopy, this book provides the lecturer and postdoctoral student, with a valuable research tool for the laboratory. This book is didactically-orientated, with 13 chapters devoted to MRS methodology, 3 chapters on MRS equipment, 13 chapters on clinical and experimental MRS, as well as an appendix containing the basic sciences for MRS and a MRS glossary.
Author : P. G. Morris Publisher : Oxford University Press, USA Page : 412 pages File Size : 34,75 MB Release : 1986 Category : Language Arts & Disciplines ISBN :
The aim of this book is to give a sound physical understanding of the theory and practice of NMR imaging, a field which has grown rapidly in recent years, to the point that clinical imaging systems have become commercially available worldwide and many techniques have evolved.