Results 1 to 10 of about 12,175 (165)

Multiclass Arrhythmia Detection and Classification From Photoplethysmography Signals Using a Deep Convolutional Neural Network

Journal of the American Heart Association, 2022
Background Studies have reported the use of photoplethysmography signals to detect atrial fibrillation; however, the use of photoplethysmography signals in classifying multiclass arrhythmias has rarely been reported.
Zengding Liu, Ye Li, Fen Miao
exaly   +3 more sources

A Survey of Photoplethysmography and Imaging Photoplethysmography Quality Assessment Methods

Applied Sciences (Switzerland), 2022
Photoplethysmography is a method to visualize the variation in blood volume within tissues with light. The signal obtained has been used for the monitoring of patients, interpretation for diagnosis or for extracting other physiological variables (e.g ...
Frédéric Bousefsaf, Alain Pruski, Choubeila Maaoui   +2 more
exaly   +3 more sources

Sources of Inaccuracy in Photoplethysmography for Continuous Cardiovascular Monitoring

Biosensors, 2021
Photoplethysmography (PPG) is a low-cost, noninvasive optical technique that uses change in light transmission with changes in blood volume within tissue to provide information for cardiovascular health and fitness.
Kimberly L Branan, Andres J Rodríguez, Jessica C Ramella-Roman   +2 more
exaly   +2 more sources

Application of photoplethysmography signals for healthcare systems: An in-depth review

Computer Methods and Programs in Biomedicine, 2022
BACKGROUND AND OBJECTIVES Photoplethysmography (PPG) is a device that measures the amount of light absorbed by the blood vessel, blood, and tissues, which can, in turn, translate into various measurements such as the variation in blood flow volume, heart
Hui Wen Loh, Shuting Xu, Oliver Faust
exaly   +2 more sources

Photoplethysmography for the Assessment of Arterial Stiffness

Sensors, 2023
This review outlines the latest methods and innovations for assessing arterial stiffness, along with their respective advantages and disadvantages. Furthermore, we present compelling evidence indicating a recent growth in research focused on assessing ...
Parmis Karimpour, James M. May, Panicos A. Kyriacou   +2 more
doaj   +2 more sources

PPGFeat: a novel MATLAB toolbox for extracting PPG fiducial points

Frontiers in Bioengineering and Biotechnology, 2023
Photoplethysmography is a non-invasive technique used for measuring several vital signs and for the identification of individuals with an increased disease risk.
Saad Abdullah, Abdelakram Hafid, Mia Folke, Maria Lindén, Annica Kristoffersson   +4 more
doaj   +1 more source

Comparing Cardiac Output Measurements Using a Wearable, Wireless, Noninvasive Photoplethysmography-Based Device to Pulse Contour Cardiac Output in the General ICU: A Brief Report

Critical Care Explorations, 2022
OBJECTIVES:. Cardiac output (CO) measurements in the ICU are usually based on invasive techniques, which are technically complex and associated with clinical complications.
Ayana Dvir, MD, MHA, Nir Goldstein, PhD, Avigal Rapoport, MD, Ronen Gingy Balmor, MD, Dean Nachman, MD, Roei Merin, Meir Fons, Arik Ben Ishay, Arik Eisenkraft, MD, MHA   +8 more
doaj   +1 more source

Photoplethysmography in Wearable Devices: A Comprehensive Review of Technological Advances, Current Challenges, and Future Directions

Electronics, 2023
Photoplethysmography (PPG) is an affordable and straightforward optical technique used to detect changes in blood volume within tissue microvascular beds.
Kwang Bok Kim, H. Baek
semanticscholar   +1 more source

Face Biometric Spoof Detection Method Using a Remote Photoplethysmography Signal

Sensors, 2022
Spoofing attacks in face recognition systems are easy because faces are always exposed. Various remote photoplethysmography-based methods to detect face spoofing have been developed. However, they are vulnerable to replay attacks.
Seung-Hyun Kim, Su-Min Jeon, Eui Chul Lee   +2 more
doaj   +1 more source

Validation of a Deep Learning Algorithm for Continuous, Real‐Time Detection of Atrial Fibrillation Using a Wrist‐Worn Device in an Ambulatory Environment

Journal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2023
Background Wearable devices may be useful for identification, quantification and characterization, and management of atrial fibrillation (AF). To date, consumer wrist‐worn devices for AF detection using photoplethysmography‐based algorithms perform only ...
Ming‐Zher Poh, Anthony J. Battisti, Li‐Fang Cheng, Janice Lin, Anil Patwardhan, Ganesh S. Venkataraman, Charles A. Athill, Nimesh S. Patel, Chinmay P. Patel, Christian E. Machado, Jeffrey T. Ellis, Lori A. Crosson, Yuriko Tamura, R. Scooter Plowman, Mintu P. Turakhia, Hamid Ghanbari   +15 more
doaj   +1 more source