Recent development of respiratory rate measurement technologies

H Liu, J Allen, D Zheng, F Chen - Physiological measurement, 2019 - iopscience.iop.org
Respiratory rate (RR) is an important physiological parameter whose abnormality has been
regarded as an important indicator of serious illness. In order to make RR monitoring simple …

Toward a robust estimation of respiratory rate from pulse oximeters

MAF Pimentel, AEW Johnson… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
Goal: Current methods for estimating respiratory rate (RR) from the photoplethysmogram
(PPG) typically fail to distinguish between periods of high-and low-quality input data, and fail …

Optimal signal quality index for photoplethysmogram signals

M Elgendi - Bioengineering, 2016 - mdpi.com
A photoplethysmogram (PPG) is a noninvasive circulatory signal related to the pulsatile
volume of blood in tissue and is typically collected by pulse oximeters. PPG signals collected …

Heart rate variability (HRV) and pulse rate variability (PRV) for the assessment of autonomic responses

E Mejía-Mejía, K Budidha, TY Abay, JM May… - Frontiers in …, 2020 - frontiersin.org
Introduction: Heart Rate Variability (HRV) and Pulse Rate Variability (PRV), are non-invasive
techniques for monitoring changes in the cardiac cycle. Both techniques have been used for …

Photoplethysmography signal processing and synthesis

E Mejia-Mejia, J Allen, K Budidha, C El-Hajj… - …, 2022 - Elsevier
This chapter presents the fundamental signal processing techniques used to analyze the
PPG signal. The chapter starts by providing an overview of the PPG signal, covering its …

Detecting beats in the photoplethysmogram: benchmarking open-source algorithms

PH Charlton, K Kotzen, E Mejía-Mejía… - Physiological …, 2022 - iopscience.iop.org
The photoplethysmogram (PPG) signal is widely used in pulse oximeters and smartwatches.
A fundamental step in analysing the PPG is the detection of heartbeats. Several PPG beat …

Systolic peak detection in acceleration photoplethysmograms measured from emergency responders in tropical conditions

M Elgendi, I Norton, M Brearley, D Abbott… - PloS one, 2013 - journals.plos.org
Photoplethysmogram (PPG) monitoring is not only essential for critically ill patients in
hospitals or at home, but also for those undergoing exercise testing. However, processing …

Hypertension assessment via ECG and PPG signals: An evaluation using MIMIC database

Y Liang, Z Chen, R Ward, M Elgendi - Diagnostics, 2018 - mdpi.com
Cardiovascular diseases (CVDs) have become the biggest threat to human health, and they
are accelerated by hypertension. The best way to avoid the many complications of CVDs is …

Blood pressure morphology assessment from photoplethysmogram and demographic information using deep learning with attention mechanism

N Aguirre, E Grall-Maës, LJ Cymberknop… - Sensors, 2021 - mdpi.com
Arterial blood pressure (ABP) is an important vital sign from which it can be extracted
valuable information about the subject's health. After studying its morphology it is possible to …

A real-time PPG peak detection method for accurate determination of heart rate during sinus rhythm and cardiac arrhythmia

D Han, SK Bashar, J Lázaro, F Mohagheghian… - Biosensors, 2022 - mdpi.com
Objective: We have developed a peak detection algorithm for accurate determination of
heart rate, using photoplethysmographic (PPG) signals from a smartwatch, even in the …