Motivation-achievement cycles in learning: A literature review and research agenda
The question of how learners' motivation influences their academic achievement and vice
versa has been the subject of intensive research due to its theoretical relevance and …
versa has been the subject of intensive research due to its theoretical relevance and …
The significance of left ventricular ejection time in heart failure with reduced ejection fraction
AS Alhakak, JR Teerlink, J Lindenfeld… - European journal of …, 2021 - Wiley Online Library
Left ventricular ejection time (LVET) is defined as the time interval from aortic valve opening
to aortic valve closure, and is the phase of systole during which the left ventricle ejects blood …
to aortic valve closure, and is the phase of systole during which the left ventricle ejects blood …
Wearable cardiorespiratory monitoring employing a multimodal digital patch stethoscope: estimation of ECG, PEP, LVET and respiration using a 55 mm single-lead …
M Klum, M Urban, T Tigges, AG Pielmus, A Feldheiser… - Sensors, 2020 - mdpi.com
Cardiovascular diseases are the main cause of death worldwide, with sleep disordered
breathing being a further aggravating factor. Respiratory illnesses are the third leading …
breathing being a further aggravating factor. Respiratory illnesses are the third leading …
Radar-based high-accuracy cardiac activity sensing
W **a, Y Li, S Dong - IEEE Transactions on Instrumentation and …, 2021 - ieeexplore.ieee.org
Noncontact vital-sign telemonitoring by radar systems is applied more widely. When
considering the implementation of Doppler radar for more precise extraction of cardiac …
considering the implementation of Doppler radar for more precise extraction of cardiac …
Performance analysis of gyroscope and accelerometer sensors for seismocardiography-based wearable pre-ejection period estimation
Objective: Systolic time intervals, such as the pre-ejection period (PEP), are important
parameters for assessing cardiac contractility that can be measured non-invasively using …
parameters for assessing cardiac contractility that can be measured non-invasively using …
Automatic and robust delineation of the fiducial points of the seismocardiogram signal for noninvasive estimation of cardiac time intervals
F Khosrow-Khavar, K Tavakolian… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
Objective: The purpose of this research was to design a delineation algorithm that could
detect specific fiducial points of the seismocardiogram (SCG) signal with or without using the …
detect specific fiducial points of the seismocardiogram (SCG) signal with or without using the …
Automatic identification of systolic time intervals in seismocardiogram
Continuous and non-invasive monitoring of hemodynamic parameters through unobtrusive
wearable sensors can potentially aid in early detection of cardiac abnormalities, and …
wearable sensors can potentially aid in early detection of cardiac abnormalities, and …
A hidden markov model for seismocardiography
We propose a hidden Markov model approach for processing seismocardiograms. The
seismocardiogram morphology is learned using the expectation-maximization algorithm …
seismocardiogram morphology is learned using the expectation-maximization algorithm …
Toward a better noninvasive assessment of preejection period: A novel automatic algorithm for B‐point detection and correction on thoracic impedance cardiogram
Impedance cardiography is the most common clinically validated, noninvasive method for
determining the timing of the opening of the aortic valve, an important event used for …
determining the timing of the opening of the aortic valve, an important event used for …
Variation of seismocardiogram-derived cardiac time intervals and heart rate variability metrics across the sternum
Cardiac time intervals (CTIs) are vital indicators of cardiac health and can be noninvasively
assessed using a combination of electrocardiography (ECG) and seismocardiography …
assessed using a combination of electrocardiography (ECG) and seismocardiography …