photoplethysmography

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Photoplethysmography
Author : Joseph Lionel Higgins
Publisher : N.A
Release Date : 1988
ISBN 10 :
Pages : 278 pages
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Noninvasive Measurement of the Endothelial System Activity Using Calibrated Photoplethysmography
Author : Brian Patrick Watschke
Publisher : N.A
Release Date : 2000
ISBN 10 :
Pages : 184 pages
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Photoplethysmography
Author : Panicos A. Kyriacou,John Allen
Publisher : Academic Press
Release Date : 2021-10-01
ISBN 10 : 012823525X
Pages : 400 pages
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Photoplethysmography (PPG): Technology, Signal Analysis and Applications gives an understanding of the theory and principles of PPG as well as the technology (sensors and electronics) relating to PPG. The book covers current advances in optical components, thus enabling the extreme miniaturization of such sensors, along with an overview of the large volume of PPG applications in the broad area of healthcare, with a strong focus on the contributions of PPG in wearable sensors. It also presents comprehensive coverage of PPG signal analysis techniques, including machine learning and artificial intelligence. Researchers and graduate students in biomedical engineering, bioengineering, medical engineering, clinical and industry researchers in healthcare technologies, medical devices, and wearable sensors, entrepreneurs and innovators in the broad area of technology for healthcare and wellbeing will find this book to be very helpful to their work. 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

Development of a Photoplethysmography-based Forehead-type Physiological Signal Monitoring System
Author : 林唐暐
Publisher : N.A
Release Date : 2018
ISBN 10 :
Pages : 53 pages
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Research in Biological and Medical Sciences
Author : Walter Reed Army Institute of Research
Publisher : N.A
Release Date : 1975
ISBN 10 :
Pages : 329 pages
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pHealth 2019
Author : B. Blobel,M. Giacomini
Publisher : IOS Press
Release Date : 2019-05-29
ISBN 10 : 1614999759
Pages : 344 pages
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Smart mobile systems like micro-systems, smart textiles and implants and sensor-controlled medical devices, together with related networks and cloud services, are important enablers for telemedicine and pervasive health to become the next generation of health services. Social media and gamification have added further to pHealth as an ecosystem. This book presents the proceedings of pHealth 2019, the 16th in a series of international conferences on personalized health, held in Genoa, Italy, from 10 – 12 June 2019. The book includes 1 keynote, 2 of 4 invited talks, 36 oral presentations and 7 poster presentations from a total of 141 international authors. All submissions were critically reviewed by at least two independent experts and a member of the Scientific Program Committee. This process resulted in a full paper rejection rate of more than 30%. Besides wearable or implantable micro and nano technologies for personalized medicine, this volume addresses topics such as legal, ethical, social, and organizational requirements and impacts as well as necessary basic research for enabling future proof care paradigms. Such participatory, predictive, personalized, preventive, and effective care settings combine medical services and public health, prevention, social and elderly care, but also wellness and personal fitness. The multilateral benefits of pHealth technologies for all stakeholder communities offer enormous potential for the improvement of both care quality and industrial competitiveness, and also for the management of health care costs. Hence, the book will be of interest to all those involved in the provision of healthcare.

Studies in Skin Perfusion Dynamics
Author : Vladimir Blazek
Publisher : Springer Nature
Release Date :
ISBN 10 : 9811554498
Pages : 329 pages
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Cumulated Index Medicus
Author : N.A
Publisher : N.A
Release Date : 1989
ISBN 10 :
Pages : 329 pages
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1 - Feasibility of the Finger Photoplethysmography to Give Feedback on Chest Compression Rate
Author : Jon Urteaga
Publisher : N.A
Release Date : 2017
ISBN 10 :
Pages : 329 pages
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Purpose: The photoplethysmogram (PPG) recorded using finger pulse oximeter estimates the oxygen saturation. During out-of-hospital cardiac arrest (OHCA) the PPG waveform shows amplitude changes with chest compressions (CC. The aim of this study was to analyze the feasibility of using the finger PPG to provide feedback on CC rate during OHCA.Materials and methods: Records of 46 patients were included, comprising the PPG and compression depth signals extracted from Zoll E-Series defibrillator files. They were acquired by the DFW Center for Resuscitation Research (UTSW, Dallas) and the Emergency Medical Services agencies from the Resuscitation Outcomes Consortiumu2019s Portland site (OHSU). An automatic algorithm analyzed the PPG every 5s and detected useful PPG, presence of CCs and CC-rate. The compression depth signal (acquired by the CPR-pad-z) was used as the reference signal to simultaneously compute the rate and check for presence of CCs. The percentage of useful PPG, and sensitivity (SE)/positive predictive value (PPV) for detecting CCs were computed. The CC-rate error was assessed as mean(standard deviation) and 95% level of agreement (LOA, Bland-Altman). A feedback system on the CC-rate was implemented for the intervals where PPG was available, and evaluated in terms of SE, PPV and specificity (SP) to trigger alarms for CC-rates out of the range 90-120 CC/min.Results: A total of 420 min (9.1u00b17.6 min per episode) were processed. A total of 4971 segments were analyzed, 4319 including CCs with rate 116 (15) CC/min. The PPG signal was not available 17% of the time. The SE/PPV to detect CCs were 86.2/95.4%, and the CC-rate error 2.4 (6.3) CC/min (see figure). The SE/SP/PPV for the feedback system to trigger alarms were 83.6/92.4/85.3% respectively. Conclusions: When available, the finger PPG signal reliably gives feedback on CC rate.

Quantitative Measurement of Venous Incompetence
Author : Paul S. Van Bemmelen
Publisher : R. G. Landes
Release Date : 1992
ISBN 10 :
Pages : 106 pages
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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.

14th Nordic-Baltic Conference on Biomedical Engineering and Medical Physics
Author : Alexei Katashev,Yuri Dekhtyar,Janis Spigulis
Publisher : Springer Science & Business Media
Release Date : 2008-07-30
ISBN 10 : 354069367X
Pages : 648 pages
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14th Nordic – Baltic Conference on Biomedical Engineering and Medical Physics – NBC-2008 – brought together scientists not only from the Nordic – Baltic region, but from the entire world. This volume presents the Proceedings of this international conference, jointly organized by the Latvian Medical Engineering and Physics Society, Riga Technical University and University of Latvia in close cooperation with International Federation of Medical and Biological Engineering (IFMBE) The topics covered by the Conference Proceedings include: Biomaterials and Tissue Engineering; Biomechanics, Artificial Organs, Implants and Rehabilitation; Biomedical Instrumentation and Measurements, Biosensors and Transducers; Biomedical Optics and Lasers; Healthcare Management, Education and Training; Information Technology to Health; Medical Imaging, Telemedicine and E-Health; Medical Physics; Micro- and Nanoobjects, Nanostructured Systems, Biophysics