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This open access book gives a complete and comprehensive introduction to the fields of medical imaging systems, as designed for a broad range of applications. The authors of the book first explain the foundations of system theory and image processing, before highlighting several modalities in a dedicated chapter. The initial focus is on modalities that are closely related to traditional camera systems such as endoscopy and microscopy. This is followed by more complex image formation processes: magnetic resonance imaging, X-ray projection imaging, computed tomography, X-ray phase-contrast imaging, nuclear imaging, ultrasound, and optical coherence tomography.
Comprehensive medical imaging physics notes aimed at those sitting the first FRCR physics exam in the UK and covering the scope of the Royal College of Radiologists syllabus. Written by Radiologists, the notes are concise and clearly organised with 100's of beautiful diagrams to aid understanding. The notes cover all of radiology physics, including basic science, x-ray imaging, CT, ultrasound, MRI, molecular imaging, and radiation dosimetry, protection and legislation. Although aimed at UK radiology trainees, it is also suitable for international residents taking similar examinations, postgraduate medical physics students and radiographers. The notes provide an excellent overview for anyone interested in the physics of radiology or just refreshing their knowledge. This third edition includes updates to reflect new legislation and many new illustrations, added sections, and removal of content no longer relevent to the FRCR physics exam. This edition has gone through strict critique and evaluation by physicists and other specialists to provide an accurate, understandable and up-to-date resource. The book summarises and pulls together content from the FRCR Physics Notes at Radiology Cafe and delivers it as a paperback or eBook for you to keep and read anytime. There are 7 main chapters, which are further subdivided into 60 sub-chapters so topics are easy to find. There is a comprehensive appendix and index at the back of the book.
Advances in Imaging & Electron Physics merges two long-running serials—Advances in Electronics & Electron Physics and Advances in Optical & Electron Microscopy. The series features extended articles on the physics of electron devices (especially semiconductor devices), particle optics at high and low energies, microlithography, image science, and digital image processing, electromagnetic wave propagation, electron microscopy, and the computing methods used in all these domains. - Contains contributions from leading authorities on the subject matter - Informs and updates on all the latest developments in the field of imaging and electron physics - Provides practitioners interested in microscopy, optics, image processing, mathematical morphology, electromagnetic fields, electron, and ion emission with a valuable resource - Features extended articles on the physics of electron devices (especially semiconductor devices), particle optics at high and low energies, microlithography, image science. and digital image processing
Passenger screening at commercial airports in the United States has gone through significant changes since the events of September 11, 2001. In response to increased concern over terrorist attacks on aircrafts, the Transportation Security Administration (TSA) has deployed security systems of advanced imaging technology (AIT) to screen passengers at airports. To date (December 2014), TSA has deployed AITs in U.S. airports of two different technologies that use different types of radiation to detect threats: millimeter wave and X-ray backscatter AIT systems. X-ray backscatter AITs were deployed in U.S. airports in 2008 and subsequently removed from all airports by June 2013 due to privacy concerns. TSA is looking to deploy a second-generation X-ray backscatter AIT equipped with privacy software to eliminate production of an image of the person being screened in order to alleviate these concerns. This report reviews previous studies as well as current processes used by the Department of Homeland Security and equipment manufacturers to estimate radiation exposures resulting from backscatter X-ray advanced imaging technology system use in screening air travelers. Airport Passenger Screening Using Backscatter X-Ray Machines examines whether exposures comply with applicable health and safety standards for public and occupational exposures to ionizing radiation and whether system design, operating procedures, and maintenance procedures are appropriate to prevent over exposures of travelers and operators to ionizing radiation. This study aims to address concerns about exposure to radiation from X-ray backscatter AITs raised by Congress, individuals within the scientific community, and others.
Dette er en grundlæggende lærebog om konventionel MRI samt billedteknik. Den begynder med et overblik over elektricitet og magnetisme, herefter gives en dybtgående forklaring på hvordan MRI fungerer og her diskuteres de seneste metoder i radiografisk billedtagning, patientsikkerhed m.v.
Over recent years there has been a vast expansion in the variety of imaging techniques available, and developments in machine specifications continue apace. If radiologists and radiographers are to obtain optimal image quality while minimising exposure times, a good understanding of the fundamentals of the radiological science underpinning diagnostic imaging is essential. The second edition of this well-received textbook continues to cover all technical aspects of diagnostic radiology, and remains an ideal companion during examination preparation and beyond. The content includes a review of basic science aspects of imaging, followed by a detailed explanation of radiological sciences, conventional x-ray image formation and other imaging techniques. The enormous technical advances in computed tomography, including multislice acquisition and 3D image reconstruction, digital imaging in the form of image plate and direct radiography, magnetic resonance imaging, colour flow imaging in ultrasound and positron radiopharmaceuticals in nuclear medicine, are all considered here. A chapter devoted to computers in radiology considers advances in radiology information systems and computer applications in image storage and communication systems. The text concludes with a series of general topics relating to diagnostic imaging. The content has been revised and updated throughout to ensure it remains in line with the Fellowship of the Royal College of Radiologists (FRCR) examination, while European and American perspectives on technology, guidelines and regulations ensure international relevance.
Prepare for a successful career as a dental assistant! Modern Dental Assisting is the leading text in dental assisting -- the most trusted, the most comprehensive, and the most current. Using an easy-to-understand approach, this resource offers a complete foundation in the basic and advanced clinical skills you must master to achieve clinical competency. It describes dental assisting procedures with photographs and clear, step-by-step instructions. Written by Doni Bird and Debbie Robinson, two well-known and well-respected dental assisting educators. Comprehensive coverage takes students through a dental assisting program from start to finish. A highly approachable writing style presents the latest information and procedures in a way that ensures students can easily grasp and learn to apply the material. Concise chapters presented within short parts move from profession basics and sciences to infection control, safety, clinical dentistry, radiography, materials, specialty dental practice, and dental office administration. Superb, full-color illustrations and photographs show procedures, equipment, and instruments. Illustrated, step-by-step procedures show the skills that dental assistants must master, detailing for each the goal, equipment and supplies needed, chronological steps, and rationales. Expanded Functions procedures boxes describe special dental assisting procedures allowed only in certain states. Procedure icons alert students to issues relating to core procedures, e.g., that they should make notes in the patient's record, don personal protective equipment, or watch for moisture contamination. Key terms are accompanied by phonetic pronunciations, highlighted within the text, and defined in boxes on the same or facing page. Critical thinking questions end each chapter with mini-case scenarios and application-style questions. Learning and performance outcomes in each chapter set goals for what students will accomplish and also serve as checkpoints for comprehension, skills mastery, and study tools for exam preparation. Summary tables and boxes make it easy to review key concepts and procedures. Recall boxes appear after sections of text and include questions to ensure that students understand the material. CDC boxes cite the latest recommendations for infection control and summarize regulations. Eye to the Future boxes introduce cutting-edge research, future trends, and topics. Legal and Ethical Implications boxes focus on the behaviors that dental assistants will need to practice to protect themselves, their patients, and the practices for which they work. Patient Education boxes summarize content within the context of patient education take-away points. A glossary provides a quick and handy way to look up terminology, with chapter references indicating where terms are introduced and discussed within chapters.
Written exclusively for limited radiography students, Radiography Essentials for Limited Practice, 5th Edition makes it easy to learn and perform basic procedures. This edition has been revised to improve information clarity and reflect changes in practice. It incorporates all the subjects mandated by the American Society of Radiologic Technologists (ASRT) curriculum, so you will be thoroughly prepared for the ARRT Limited Scope Exam. Coverage includes the latest information on x-ray science and techniques, processing, radiation safety, radiographic anatomy, patient care, and pathology, along with updated step-by-step instructions for positioning and procedures. - Concise coverage thoroughly prepares you for the ARRT Limited Scope Exam and clinical practice with the latest on x-ray science and techniques, radiation safety, radiographic anatomy, pathology, patient care, ancillary clinical skills, and positioning of upper and lower extremities, spine, chest and head. - Step-by-step instructions provide guidance on how to position patients for radiographic procedures performed by limited operators. - The latest information on state licensure and limited radiography terminology ensures that you understand the role of the limited practitioner. - Math and radiologic physics concepts are presented at an easy-to-understand level. - Chapter on Bone Densitometry provides all the information you need to know to for the ARRT exam and clinical practice. - NEW! Expanded digital imaging concepts reflect current practice and meet the requirements of the ASRT Limited Scope Content Specifications. - NEW! Updated drawings, photos, and medical radiographs enhance your understanding of key concepts and illustrate current technology. - NEW! Two-color design helps make complex material easier to comprehend.