Continuous Estimation of Blood Pressure by Utilizing Seismocardiogram Signal Features in Relation to Electrocardiogram [PDF]
BiosensorsThere is an ongoing search for a reliable and continuous method of noninvasive blood pressure (BP) tracking. In this study, we investigate the feasibility of utilizing seismocardiogram (SCG) signals, i.e., chest motion caused by cardiac activity, for ...
Aleksandra Zienkiewicz +3 more
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The Latest Progress and Development Trend in the Research of Ballistocardiography (BCG) and Seismocardiogram (SCG) in the Field of Health Care [PDF]
Applied Sciences, 2021 The current status of the research of Ballistocardiography (BCG) and Seismocardiogram (SCG) in the field of medical treatment, health care and nursing was analyzed systematically, and the important direction in the research was explored, to provide ...
Xiuping Han +7 more
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A Novel Broadband Forcecardiography Sensor for Simultaneous Monitoring of Respiration, Infrasonic Cardiac Vibrations and Heart Sounds [PDF]
Frontiers in Physiology, 2021 The precordial mechanical vibrations generated by cardiac contractions have a rich frequency spectrum. While the lowest frequencies can be palpated, the higher infrasonic frequencies are usually captured by the seismocardiogram (SCG) signal and the ...
Emilio Andreozzi +3 more
doaj +7 more sources
A Unified Methodology for Heartbeats Detection in Seismocardiogram and Ballistocardiogram Signals [PDF]
Computers, 2020 This work presents a methodology to analyze and segment both seismocardiogram (SCG) and ballistocardiogram (BCG) signals in a unified fashion. An unsupervised approach is followed to extract a template of SCG/BCG heartbeats, which is then used to fine ...
Niccolò Mora +3 more
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Detection and Analysis of Heartbeats in Seismocardiogram Signals [PDF]
Sensors, 2020 This paper presents an unsupervised methodology to analyze SeismoCardioGram (SCG) signals. Starting from raw accelerometric data, heartbeat complexes are extracted and annotated, using a two-step procedure.
Niccolò Mora +3 more
doaj +3 more sources
Can Seismocardiogram Fiducial Points Be Used for the Routine Estimation of Cardiac Time Intervals in Cardiac Patients? [PDF]
Frontiers in Physiology, 2022 The indexes of cardiac mechanics can be derived from the cardiac time intervals, CTIs, i.e., the timings among the opening and closure of the aortic and mitral valves and the Q wave in the ECG.
Zeynep Melike Işilay Zeybek +4 more
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Electrode-Free ECG Monitoring with Multimodal Wireless Mechano-Acoustic Sensors [PDF]
BiosensorsContinuous cardiovascular monitoring is essential for the early detection of cardiac events, but conventional electrode-based ECG systems cause skin irritation and are unsuitable for long-term wear.
Zhi Li, Fei Fei, Guanglie Zhang
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High-Resolution Seismocardiogram Acquisition and Analysis System [PDF]
Sensors, 2018 Several devices and measurement approaches have recently been developed to perform ballistocardiogram (BCG) and seismocardiogram (SCG) measurements. The development of a wireless acquisition system (hardware and software), incorporating a novel high ...
Fábio Leitão +6 more
doaj +3 more sources
A Frequency Estimation Scheme Based on Gaussian Average Filtering Decomposition and Hilbert Transform: With Estimation of Respiratory Rate as an Example [PDF]
Sensors, 2023 Frequency estimation plays a critical role in vital sign monitoring. Methods based on Fourier transform and eigen-analysis are commonly adopted techniques for frequency estimation.
Yue-Der Lin +3 more
doaj +2 more sources
Classification of Aortic Stenosis Patients via ECG-Independent Multi-Site Measurements of Cardiac-Induced Accelerations and Angular Velocities at the Skin Level [PDF]
IEEE Open Journal of Engineering in Medicine and BiologyGoal: To evaluate the suitability of seismocardiogram (SCG) and gyrocardiogram (GCG) recorded at the skin level to classify aortic stenosis (AS) patients from healthy volunteers, and to determine the optimal sensor position for the classification ...
Chiara Romano +7 more
doaj +2 more sources