Ecg Time Series Variability Analysis
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Ecg Time Series Variability Analysis
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Author : Herbert F. Jelinek
language : en
Publisher: CRC Press
Release Date : 2017-09-11
Ecg Time Series Variability Analysis written by Herbert F. Jelinek and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-11 with Mathematics categories.
Divided roughly into two sections, this book provides a brief history of the development of ECG along with heart rate variability (HRV) algorithms and the engineering innovations over the last decade in this area. It reviews clinical research, presents an overview of the clinical field, and the importance of heart rate variability in diagnosis. The book then discusses the use of particular ECG and HRV algorithms in the context of clinical applications.
Ecg Time Series Variability Analysis
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Author : Herbert F. Jelinek
language : en
Publisher:
Release Date : 2017
Ecg Time Series Variability Analysis written by Herbert F. Jelinek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with HEALTH & FITNESS categories.
"Divided roughly into two sections, this book provides a brief history of the development of ECG along with heart rate variability (HRV) algorithms and the engineering innovations over the last decade in this area. It reviews clinical research, presents an overview of the clinical field, and the importance of heart rate variability in diagnosis. The book then discusses the use of particular ECG and HRV algorithms in the context of clinical applications."--Provided by publisher.
Heart Rate Variability Analysis With The R Package Rhrv
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Author : Constantino Antonio García Martínez
language : en
Publisher: Springer
Release Date : 2017-09-18
Heart Rate Variability Analysis With The R Package Rhrv written by Constantino Antonio García Martínez and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-18 with Medical categories.
This book introduces readers to the basic concepts of Heart Rate Variability (HRV) and its most important analysis algorithms using a hands-on approach based on the open-source RHRV software. HRV refers to the variation over time of the intervals between consecutive heartbeats. Despite its apparent simplicity, HRV is one of the most important markers of the autonomic nervous system activity and it has been recognized as a useful predictor of several pathologies. The book discusses all the basic HRV topics, including the physiological contributions to HRV, clinical applications, HRV data acquisition, HRV data manipulation and HRV analysis using time-domain, frequency-domain, time-frequency, nonlinear and fractal techniques. Detailed examples based on real data sets are provided throughout the book to illustrate the algorithms and discuss the physiological implications of the results. Offering a comprehensive guide to analyzing beat information with RHRV, the book is intended for masters and Ph.D. students in various disciplines such as biomedical engineering, human and veterinary medicine, biology, and pharmacy, as well as researchers conducting heart rate variability analyses on both human and animal data.
Poincar Plot Methods For Heart Rate Variability Analysis
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Author : Ahsan Habib Khandoker
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-08-15
Poincar Plot Methods For Heart Rate Variability Analysis written by Ahsan Habib Khandoker and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-15 with Medical categories.
The Poincaré plot (named after Henri Poincaré) is a popular two-dimensional visualization tool for dynamic systems due to its intuitive display of the dynamic properties of a system from a time series. This book presents the basis of Poincaré plot and focus especially on traditional and new methods for analysing the geometry, temporal and spatial dynamics disclosed by the Poincaré plot to evaluate heart rate variability (HRV). Mathematical descriptors of Poincaré plot have been developed to quantify the autonomic nervous system activity (sympathetic and parasympathetic modulation of heart rate). Poincaré plot analysis has also been used in various clinical diagnostic settings like diabetes, chronic heart failure, chronic renal failure and sleep apnea syndrome. The primary aims of quantification of the Poincaré plots are to discriminate healthy physiological systems from pathological conditions and to classify the stage of a disease. The HRV analysis by Poincaré plot has opened up ample opportunities for important clinical and research applications. Therefore, the present book can be used either for self-study, as a supplement to courses in linear and nonlinear systems, or as a modern monograph by researchers in this field of HRV analysis.
Heart Rate Variability Clinical Applications And Interaction Between Hrv And Heart Rate
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Author : Karin Trimmel
language : en
Publisher: Frontiers Media SA
Release Date : 2015-10-07
Heart Rate Variability Clinical Applications And Interaction Between Hrv And Heart Rate written by Karin Trimmel and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-07 with Electronic book categories.
Over the last decades, assessment of heart rate variability (HRV) has increased in various fields of research. HRV describes changes in heartbeat intervals, which are caused by autonomic neural regulation, i.e. by the interplay of the sympathetic and the parasympathetic nervous systems. The most frequent application of HRV is connected to cardiological issues, most importantly to the monitoring of post-myocardial infarction patients and the prediction of sudden cardiac death. Analysis of HRV is also frequently applied in relation to diabetes, renal failure, neurological and psychiatric conditions, sleep disorders, psychological phenomena such as stress, as well as drug and addiction research including alcohol and smoking. The widespread application of HRV measurements is based on the fact that they are noninvasive, easy to perform, and in general reproducible – if carried out under standardized conditions. However, the amount of parameters to be analysed is still rising. Well-established time domain and frequency domain parameters are discussed controversially when it comes to their physiological interpretation and their psychometric properties like reliability and validity, and the sensitivity to cardiovascular properties of the variety of parameters seems to be a topic for further research. Recently introduced parameters like pNNxx and new dynamic methods such as approximate entropy and detrended fluctuation analysis offer new potentials and warrant standardization. However, HRV is significantly associated with average heart rate (HR) and one can conclude that HRV actually provides information on two quantities, i.e. on HR and its variability. It is hard to determine which of these two plays a principal role in the clinical value of HRV. The association between HRV and HR is not only a physiological phenomenon but also a mathematical one which is due to non-linear (mathematical) relationship between RR interval and HR. If one normalizes HRV to its average RR interval, one may get ‘pure’ variability free from the mathematical bias. Recently, a new modification method of the association between HRV and HR has been developed which enables us to completely remove the HRV dependence on HR (even the physiological one), or conversely enhance this dependence. Such an approach allows us to explore the HR contribution to the clinical significance of HRV, i.e. whether HR or its variability plays a main role in the HRV clinical value. This Research Topic covers recent advances in the application of HRV, methodological issues, basic underlying mechanisms as well as all aspects of the interaction between HRV and HR.
Heart Rate Variability Hrv Signal Analysis
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Author : Markad V. Kamath
language : en
Publisher: CRC Press
Release Date : 2016-04-19
Heart Rate Variability Hrv Signal Analysis written by Markad V. Kamath and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Medical categories.
Open a Window into the Autonomic Nervous SystemQuantifying the amount of autonomic nervous system activity in an individual patient can be extremely important, because it provides a gauge of disease severity in a large number of diseases. Heart rate variability (HRV) calculated from both short-term and longer-term electrocardiograms is an ideal win
Signal And Image Analysis For Biomedical And Life Sciences
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Author : Changming Sun
language : en
Publisher: Springer
Release Date : 2014-11-07
Signal And Image Analysis For Biomedical And Life Sciences written by Changming Sun and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-07 with Computers categories.
With an emphasis on applications of computational models for solving modern challenging problems in biomedical and life sciences, this book aims to bring collections of articles from biologists, medical/biomedical and health science researchers together with computational scientists to focus on problems at the frontier of biomedical and life sciences. The goals of this book are to build interactions of scientists across several disciplines and to help industrial users apply advanced computational techniques for solving practical biomedical and life science problems. This book is for users in the fields of biomedical and life sciences who wish to keep abreast with the latest techniques in signal and image analysis. The book presents a detailed description to each of the applications. It can be used by those both at graduate and specialist levels.
Poincare Plot Methods For Heart Rate Variability Analysis
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Author : Ahsan Habib Khandoker
language : en
Publisher:
Release Date : 2013-08-31
Poincare Plot Methods For Heart Rate Variability Analysis written by Ahsan Habib Khandoker and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-08-31 with categories.
Cardiovascular Diseases And Depression
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Author : Bernhard T. Baune
language : en
Publisher: Springer
Release Date : 2016-08-01
Cardiovascular Diseases And Depression written by Bernhard T. Baune and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-01 with Medical categories.
The world is witnessing a burgeoning global epidemic of chronic cerebro- and cardiovascular disease and depression disorders. The reader will find this comprehensive book to be a long-needed, up-to-date knowledge base on these increasingly recognized comorbid conditions that have long-term consequences for individual function and well-being and society in general. This comprehensive book outlines the complex and bidirectional relationship between various types of depression and cerebro- and cardiovascular diseases. It is written by a range of experts in the field, including psychiatrists, cardiologists, neuroscientists, psychologists, and epidemiologists, with the aim of presenting and discussing the most recent evidence on the pathophysiology, neurobiology, and clinical presentation of these common and disabling comorbid conditions and the available pharmacological, psychological, and behavioral interventions. By elucidating the underlying clinical and neurobiological mechanisms in the brain and the rich interplay between the body and the brain biology, the book brings together the latest knowledge of this overlapping area in Psychiatry and Cardiology. The clear descriptions of evidence-based approaches to clinical treatment ensure that it will serve as both an up-to-date overview and a future guide for practicing clinicians and graduate students.
Perspectives On Behavioral Inhibition
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Author : J. Steven Reznick
language : en
Publisher: University of Chicago Press
Release Date : 1989-11-09
Perspectives On Behavioral Inhibition written by J. Steven Reznick and has been published by University of Chicago Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989-11-09 with Psychology categories.
Behavioral inhibition, often displayed as shyness in children and avoidance in animals, can be observed in the earliest stages of infancy. Recent research indicates that in extreme cases the tendency to either approach or withdraw from uncertain events continues through late childhood and is supported by specific biological mechanisms, suggesting a genetic basis. To effectively study behavioral inhibition, researchers are departing from the essentially experiential and descriptive techniques of traditional psychology and turning to a multidisciplinary approach that integrates psychology, psychiatry, epidemiology, genetics, and ethology. Perspectives in Behavioral Inhibition brings together the most current research of leading scholars in the various disciplines involved.