Title | ||
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Wearable seismocardiography for the beat-to-beat assessment of cardiac intervals during sleep. |
Abstract | ||
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Seismocardiogram (SCG) can be detected during sleep by a textile-based wearable system. This pilot study preliminarily explores the feasibility of a beat-to-beat estimation of cardiac mechanical features (RR interval, RRI, Pre-Ejection Period, PEP, Isovolumic Contraction Time, ICT, Left Ventricular Ejection Time, LVET, Isovolumic Relaxation Time, IRT) from the joint ECG and SCG assessment during sleep. The analysis of two 30-min sleep data segments from one healthy subject, indicated that 1) respiration largely influence the dynamics of most of the parameters; 2) variability of cardiac intervals is only marginally influenced by the RRI variability; 3) appreciable spectral power at frequencies ≤ 0.1 is only observed in the RRI spectrum and not in the spectra of the other indexes; 4) IRT has a broadband variability, that is clearly different from the dynamics of the other indexes. These findings represent the very first description of the beat-to-beat variability of cardiac mechanical indexes. Further investigations on a larger population are in progress to confirm the present results. |
Year | DOI | Venue |
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2014 | 10.1109/EMBC.2014.6945018 | EMBC |
Keywords | Field | DocType |
isovolumic relaxation time,electrocardiography,biomechanics,seismocardiogram,rri variability,wearable seismocardiography,cardiac mechanical indexes,cardiac intervals,biomedical measurement,sleep,broadband variability,pre-ejection period,rri spectrum,isovolumic contraction time,left ventricular ejection time,textile-based wearable system,beat-to-beat assessment,beat-to-beat estimation,cardiac mechanical features,rr interval | Computer science,Wearable computer,Electronic engineering,Beat (music) | Conference |
Volume | ISSN | Citations |
2014 | 1557-170X | 1 |
PageRank | References | Authors |
0.48 | 0 | 8 |
Name | Order | Citations | PageRank |
---|---|---|---|
Marco Di Rienzo | 1 | 84 | 11.14 |
Emanuele Vaini | 2 | 40 | 12.50 |
Paolo Castiglioni | 3 | 34 | 7.03 |
Prospero Lombardi | 4 | 2 | 1.64 |
Gianfranco Parati | 5 | 25 | 5.99 |
Carolina Lombardi | 6 | 19 | 4.18 |
Paolo Meriggi | 7 | 32 | 6.11 |
F. RIZZO | 8 | 79 | 8.79 |