Methods and systems for extracting venous pulsation and respiratory information from photoplethysmographs [PDF]
A system and method for separating a venous component and an arterial component from a red signal and an infrared signal of a PPG sensor is provided.
Nourani, Mehrdad, Yousefi, Rasoul
core +1 more source
Cuffless Single-Site Photoplethysmography for Blood Pressure Monitoring [PDF]
One in three adults worldwide has hypertension, which is associated with significant morbidity and mortality. Consequently, there is a global demand for continuous and non-invasive blood pressure (BP) measurements that are convenient, easy to use, and ...
Abbott, D. +15 more
core +3 more sources
ASSESSMENT OF CUTANEOUS BLOOD FLOW IN LOWER EXTREMITIES BY IMAGING PHOTOPLETHYSMOGRAPHY METHOD [PDF]
Subject of Research. The paper presents effective application of the novel imaging photoplethysmography method for receiving data on reaction of peripheral blood flow in lower extremities on venous occlusion. Method.
Valeriy V. Zaytsev +2 more
doaj +1 more source
Sex features of cutaneous microvasculature in healthy working-age people
Aim. To study sex characteristics of cutaneous microvascular structure and function in a cohort of healthy working-age people without cardiovascular diseases.Material and methods. The study included 35 healthy men (42±4 years) and 34 women (41 ±5 years).
K. V. Omelyanenko +6 more
doaj +1 more source
A review of machine learning techniques in photoplethysmography for the non-invasive cuff-less measurement of blood pressure [PDF]
Hypertension or high blood pressure is a leading cause of death throughout the world and a critical factor for increasing the risk of serious diseases, including cardiovascular diseases such as stroke and heart failure.
El-Hajj, C., Kyriacou, P. A.
core +1 more source
Alterations in electrodermal activity and cardiac parasympathetic tone during hypnosis [PDF]
Exploring autonomic nervous system (ANS) changes during hypnosis is critical for understanding the nature and extent of the hypnotic phenomenon and for identifying the mechanisms underlying the effects of hypnosis in different medical conditions.
Kekecs, Z, Szekely, A, Varga, K
core +1 more source
Photoplethysmography Detection of Overreaching
ABSTRACT Introduction Detecting the onset of functional overreaching (FOR) or nonfunctional overreaching in endurance athletes is of prior importance to ensure reactive amendment of the scheduled training program. The objective of this study was to assess photoplethysmography (PPG) in overloaded athletes and test ...
Nicolas, Bourdillon +2 more
openaire +3 more sources
Design of an oximeter based on LED-LED configuration and FPGA technology [PDF]
sensor
Allen +11 more
core +3 more sources
A Multilayer Monte Carlo Model for the Investigation of Optical Path and Penetration Depth at Different Perfusion States of the Colon [PDF]
There is a great interest in monitoring the oxygen supply delivered to the colon. Insufficient oxygen delivery may lead to hypoxia, sepsis, multiorgan dysfunction and death.
Chatterjee, S. +3 more
core +1 more source
The 2023 wearable photoplethysmography roadmap
Abstract Photoplethysmography is a key sensing technology which is used in wearable devices such as smartwatches and fitness trackers. Currently, photoplethysmography sensors are used to monitor physiological parameters including heart rate and heart rhythm, and to track activities like sleep and exercise.
Charlton, Peter H +50 more
openaire +6 more sources

