Quantitative Photoplethysmography
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Quantitative Photoplethysmography
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Author : Vladimír Blažek
language : en
Publisher:
Release Date : 1996
Quantitative Photoplethysmography written by Vladimír Blažek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
Photoplethysmography
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Author : Panicos A. Kyriacou
language : en
Publisher: Academic Press
Release Date : 2021-11-03
Photoplethysmography written by Panicos A. Kyriacou and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-11-03 with Technology & Engineering categories.
Photoplethysmography: Technology, Signal Analysis, and Applications is the first comprehensive volume on the theory, principles, and technology (sensors and electronics) of photoplethysmography (PPG). It provides a detailed description of the current state-of-the-art technologies/optical components enabling the extreme miniaturization of such sensors, as well as comprehensive coverage of PPG signal analysis techniques including machine learning and artificial intelligence. The book also outlines the huge range of PPG applications in healthcare, with a strong focus on the contribution of PPG in wearable sensors and PPG for cardiovascular assessment. Presents the underlying principles and technology surrounding PPG Includes applications for healthcare and wellbeing Focuses on PPG in wearable sensors and devices Presents advanced signal analysis techniques Includes cutting-edge research, applications and future directions
Research In Biological And Medical Sciences
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Author : Walter Reed Army Institute of Research
language : en
Publisher:
Release Date : 1975
Research In Biological And Medical Sciences written by Walter Reed Army Institute of Research and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Biology categories.
Advances In Basic And Applied Research In Photoplethysmography
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Author : John Allen
language : en
Publisher: Frontiers Media SA
Release Date : 2024-05-21
Advances In Basic And Applied Research In Photoplethysmography written by John Allen 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 2024-05-21 with Science categories.
Photoplethysmography (PPG) is a non-invasive optical technique widely used in the study and monitoring of the pulsations associated with changes in blood volume in a peripheral vascular bed. Over the last thirty years, there has been a significant increase in the number of published articles on PPG, describing both basic and applied research. Throughout these publications the PPG has been hailed as a non-invasive, low cost, and simple optical measurement technique applied at the surface of the skin to measure a whole host of physiological parameters.
Studies In Skin Perfusion Dynamics
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Author : Vladimir Blazek
language : en
Publisher: Springer Nature
Release Date : 2021-01-20
Studies In Skin Perfusion Dynamics written by Vladimir Blazek and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-01-20 with Science categories.
This book talks about photoplethysmography (PPG) techniques based on computer-aided data processing. In particular, it presents the results of a co-operative Indo-German project on the topic between Indian Institute of Technology at Chennai and RWTH Aachen University. Measuring system design, experimental details and some preliminary results obtained so far within the framework of this project are presented here. From the investigations carried out so far using the PPG sensors in conjunction with breathing sensors, it has been possible to monitor the 0.125 to 0.15 Hz rhythms in the arterial volumetric changes and to study the influence of breathing on them. These rhythms, which according to medical experts have relevance to psychosomatic conditions e.g. stress or relaxation, can also be addressed to by ancient Indian practices like yoga and meditation. This book presents the results of studying the effects of Indian relaxation techniques like pranayama, meditation, etc. in comparison to western relaxation techniques like autogenic training. So far it has been established that the Indian techniques of relaxation like yoga and meditation are very effective in generating low frequency rhythms in the skin perfusion as monitored by optical sensors. According to medical experts, these low frequency rhythms have a very important bearing on the human physiology and have potential therapeutic implications. This book is meant to provide an overview of the current state-of-knowledge and encourage the next generation of scientists/engineers to carry this work forward, especially on the novel PPG application fields that are of growing importance like pain and stress assessment, detection of peripheral venous saturation and local arterio-venous oxygen consumption as well as contactless space resolved skin perfusion studies with modern camera based PPG technology.
Handbook Of Venous And Lymphatic Disorders
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Author : Peter Gloviczki
language : en
Publisher: CRC Press
Release Date : 2024-06-11
Handbook Of Venous And Lymphatic Disorders written by Peter Gloviczki and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-06-11 with Medical categories.
Renowned as the essential reference for all venous specialists, phlebologists, vascular surgeons, and vascular medicine physicians, the fifth edition of the Handbook of Venous and Lymphatic Disorders: Guidelines of the American Venous Forum covers the investigation, prevention, evaluation, and treatment of venous and lymphatic disorders. The full spectrum of acute and chronic venous disorders, chronic lymphedema and chylous complications are included. New or entirely revised chapters discuss in detail basic considerations, diagnostic evaluation, management of acute venous thrombosis, and chronic venous disorders, including deep venous disease and venous ulcers. Medical treatments, including compression therapy, veno-active compounds, and new oral antithrombotic medications, are discussed. Minimally invasive endovascular techniques to treat deep vein thrombosis and pulmonary embolism with catheter-directed thrombolysis, pharmaco-mechanical, mechanical thrombectomy, and venous stenting are presented. Few areas in medicine have progressed as fast as minimally invasive outpatient treatment of chronic venous disease. Endovenous therapies include laser and radiofrequency ablation, liquid and foam sclerotherapy, minimally invasive surgery, cyanoacrylate embolization, mechanico-chemical or ultrasonic ablations, among others. Written by the world’s foremost venous experts, leaders of the American Venous Forum, and international authorities, the Handbook has become the most important reference for both day-to-day management and investigation of venous and lymphatic disorders.
Health Care Needs Assessment First Series Volume 2 Second Edition
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Author : Andrew Stevens
language : en
Publisher: CRC Press
Release Date : 2018-12-14
Health Care Needs Assessment First Series Volume 2 Second Edition written by Andrew Stevens and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-12-14 with Medical categories.
Health care needs assessment provides information to plan, negotiate and change services for the better, and to improve health in other ways. The first edition of this series established itself as a key source on health care needs for specific conditions supported by the Department of Health. Now in its second edition it provides vital updates taking into account how health care has moved on and how the structure of the UK's health service has changed. Each of the chapters follows the same structure; each analysing its topic, reviewing the incidence and prevalence, the range of services available, and the effectiveness of those services. It describes the central role and aim of health care needs assessment in the NHS health care reforms and explains the 'epidemiological approach' to needs assessment and its effectiveness. Volume 1 includes diabetes mellitus, renal disease, stroke, lower respiratory disease, coronary heart disease, colorectal cancer, cancer of the lung, osteoarthritis affecting the hip and knee, cataract surgery and groin hernia. Volume 2 includes varicose veins and venous ulcers, benign prostatic hyperplasia, severe mental illness, Alzheimer's disease, alcohol misuse, drug misuse, learning disabilities, community child health services and contraception, induced abortion and fertility services. All health professionals, including policy makers and shapers and those assessing quality of service will find this book an essential resource.
Venous Disease
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Author : Charles V. Ruckley
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Venous Disease written by Charles V. Ruckley 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 2012-12-06 with Medical categories.
Varicose veins are a very common problem. The precise aetiology of primary varicose veins remains unclear. It seems likely from the available evidence that inherited structural weakness combined with haemodynamic or microcirculatory abnormalities eventually lead to reduced vein wall elasticity, dilatation and the formation of varicosities. Increasing age, female gender, parity and occupation may all promote the development of varicose veins in susceptible individuals. Further clinical and experimental studies are necessary if the relative contribution of each of these factors is to be fully elucidated. References 1. Editorial. The treatment of varicose veins. Lancet 1975;ii:311. 2. Prerovsky I. Diseases of the veins. World Health Organisation, internal communication, MHO-PA 10964. 3. Weddell JM. Varicose veins: pilot study. Br J Surg 1969;23:179-186. 4. Hobsley M. Pathways in surgical management. 2nd ed. London: Edward Arnold, 1986. 5. Browse NL, Burnand KG, Lea Thomas M. Diseases of the veins. London: Edward Arnold, 1988. 6. Logan WPD, Brooke EM. The survey of sickness. Studies on medical and population subjects no. 12. London: General Register Office, 1957. 7. The committee on the Danish national morbidity survey. The sickness survey of Denmark. Copenhagen, 1960. 8. US Department of Health. Education and welfare: national health survey 1935-1936. Washington, DC, 1938. 9. The Department of National Health and Welfare and the Dominion Bureau of Statistics. Illness and health care in Canada. Canadian Sickness Survey 1950-1951. Ottawa, 1960.
Sclerotherapy E Book
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Author : Mitchel P. Goldman
language : en
Publisher: Elsevier Health Sciences
Release Date : 2011-01-31
Sclerotherapy E Book written by Mitchel P. Goldman and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-01-31 with Medical categories.
Sclerotherapy: Treatment of Varicose and Telangiectatic Leg Veins, by Drs. Mitchel P. Goldman, Jean-Jerome Guex, and Robert A Weiss, equips you to implement the latest cosmetic procedures for the treatment of varicose and telangiectatic leg veins. Completely revised with contributions from U.S.-based and international authorities, this classic reference is packed with everything you need to know about sclerotherapy, and provides extensive discussions of the latest techniques, solutions, and possible complications. Case studies and detailed color illustrations offer practical, step-by-step visual guidance as well as expert hints and tips for implementing the latest cosmetic procedures into your practice including foam sclerotherapy, endovenous radiofrequency (RF) and laser closure, ambulatory phlebectomy and laser treatment of spider telangiectasia. You can also access the full content and videos online at www.expertconsult.com. Optimize outcomes and improve your surgical, injection and laser techniques with comprehensive, visual guidance about common pitfalls and "tricks of the trade" from practically minded, technically skilled, hands-on experts. Implement the latest approaches with completely updated chapters reflecting the most recent advances in sclerotherapy and surgical treatment of varicose and telangiectatic leg veins. See how to perform a variety of key procedures demonstrating endovenous radiofrequency closure, CoolTouch endovenous ablation, cross polarization visualization, PPG digital measuring, sclerotherapy of the lateral venous system showing reflux, foam sclerotherapy, telangiectatic matting, ambulatory phlebectomy, and draining of intravascular coagulum. Apply the best practices and global perspectives from a newly reorganized team of U.S.-based and international authors and contributors. Access the complete contents from any computer at www.expertconsult.com, complete with the full text and entire image bank.
Quantitative Measurement Of Venous Incompetence
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Author : Paul S. Van Bemmelen
language : en
Publisher: R. G. Landes
Release Date : 1992
Quantitative Measurement Of Venous Incompetence written by Paul S. Van Bemmelen and has been published by R. G. Landes this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Medical categories.
This text reviews the latest information available on venous pathophysiology and its applications to the diagnostic methods for patients with chronic venous disorders. The book emphasizes non-invasive methods, particularly ultrasound. A special feature is the book's detailed description of the colour flow duplex method with distal cuff deflation, which can serve as an effective guide for anyone using this method in the vascular laboratory or office.