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Syncope is one of the most important causes of transient loss of consciousness, and is such a common event that it may be encountered by practitioners in virtually any field of medicine. As such, a broad spectrum of healthcare professionals may be involved in its assessment and management. Edited by distinguished individuals whose pioneering work in syncope highlights careers devoted to improving patient care, this book provides: • Succinct, practical and up-to-date guidance on the optimal clinical evaluation and treatment of patients with syncope and transient loss of consciousness in a multidisciplinary framework • Evidence-based recommendations founded on comprehensive literature review and extensive clinical experience by expert contributors • Meaningful clinical tips for appropriate use of guidelines in clinical practice • Key recent citations Building on the European Society of Cardiology Syncope Guidelines, this book provides a clear evaluation of the latest recommendations for care of patients with syncope and transient loss of consciousness, with a multidisciplinary focus that makes it equally relevant for general physicians or those specializing in cardiology or neurology.


A Transient Guest, and Other Episodes A Transient Guest, and Other Episodes

Автор: Saltus Edgar

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Transient Electronics. Pulsed Circuit Technology Transient Electronics. Pulsed Circuit Technology

Автор: Paul Smith W.

Год издания: 

Passive Pulse Generators are circuits used to generate very high power electrical pulses. Such pulses find application in a wide range of disciplines, including plasma generation, gas laser physics and radar. * Includes two introductory chapters on techniques used to analyse passive pulse generators * Includes worked examples A valuable reference resource for specialist undergraduates, post graduate students and researchers active in the field og pulsed power and areas where pulsed power is applied, including physicists, engineers and those with an interest in waste and materials processing.


Transient Analysis of Power Systems. Solution Techniques, Tools and Applications Transient Analysis of Power Systems. Solution Techniques, Tools and Applications

Автор: Dr. Juan A. Martinez-Velasco

Год издания: 

The simulation of electromagnetic transients is a mature field that plays an important role in the design of modern power systems. Since the first steps in this field to date, a significant effort has been dedicated to the development of new techniques and more powerful software tools. Sophisticated models, complex solution techniques and powerful simulation tools have been developed to perform studies that are of supreme importance in the design of modern power systems. The first developments of transients tools were mostly aimed at calculating over-voltages. Presently, these tools are applied to a myriad of studies (e.g. FACTS and Custom Power applications, protective relay performance, simulation of smart grids) for which detailed models and fast solution methods can be of paramount importance. This book provides a basic understanding of the main aspects to be considered when performing electromagnetic transients studies, detailing the main applications of present electromagnetic transients (EMT) tools, and discusses new developments for enhanced simulation capability. Key features: Provides up-to-date information on solution techniques and software capabilities for simulation of electromagnetic transients. Covers key aspects that can expand the capabilities of a transient software tool (e.g. interfacing techniques) or speed up transients simulation (e.g. dynamic model averaging). Applies EMT-type tools to a wide spectrum of studies that range from fast electromagnetic transients to slow electromechanical transients, including power electronic applications, distributed energy resources and protection systems. Illustrates the application of EMT tools to the analysis and simulation of smart grids.


Current Interruption Transients Calculation Current Interruption Transients Calculation

Автор: David Peelo F.

Год издания: 

Provides an original, detailed and practical description of current interruption transients, origins, and the circuits involved, and how they can be calculated Current Interruption Transients Calculationis a comprehensive resource for the understanding, calculation and analysis of the transient recovery voltages (TRVs) and related re-ignition or re-striking transients associated with fault current interruption and the switching of inductive and capacitive load currents in circuits. This book provides an original, detailed and practical description of current interruption transients, origins, and the circuits involved, and how they can be calculated and then analysed using only a hand calculator and a spreadsheet program. Key features: Detailed theory on all of the current interruption cases that can occur on a power system. Clear explanation on how to calculate transients, showing how four basic circuits can represent all transients and can be solved in general without any use of the ‘classical’ Laplace transform method. Series and parallel RLC circuit theory, followed by the calculation of pole factors using the symmetrical component method to derive the base power frequency components, with results applied to all the relevant transient cases. Fault current interruption and inductive and capacitive load current switching cases illustrated using real application examples. With its practical approach, this book offers engineers the tools they need when analysing circuit breaker applications. It will be of great interest to practicing engineers and electric utility staff involved in circuit breaker design, specification, testing, switchgear application, system operation and planning, and in particular, for engineers using simulation programs for transient calculations. It will also be useful for senior undergraduate and postgraduate electrical power engineering students looking to work in switchgear manufacturers and testing laboratories.


Consciousness Consciousness

Автор: Josh Weisberg

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Each of us, right now, is having a unique conscious experience. Nothing is more basic to our lives as thinking beings and nothing, it seems, is better known to us. But the ever-expanding reach of natural science suggests that everything in our world is ultimately physical. The challenge of fitting consciousness into our modern scientific worldview, of taking the subjective “feel” of conscious experience and showing that it is just neural activity in the brain, is among the most intriguing explanatory problems of our times. In this book, Josh Weisberg presents the range of contemporary responses to the philosophical problem of consciousness. The basic philosophical tools of the trade are introduced, including thought experiments featuring Mary the color-deprived super scientist and fearsome philosophical “zombies”. The book then systematically considers the space of philosophical theories of consciousness. Dualist and other “non-reductive” accounts of consciousness hold that we must expand our basic physical ontology to include the intrinsic features of consciousness. Functionalist and identity theories, by contrast, hold that with the right philosophical stage-setting, we can fit consciousness into the standard scientific picture. And “mysterians” hold that any solution to the problem is beyond such small-minded creatures as us. Throughout the book, the complexity of current debates on consciousness is handled in a clear and concise way, providing the reader with a fine introductory guide to the rich philosophical terrain. The work makes an excellent entry point to one of the most exciting areas of study in philosophy and science today.