Heart and respiratory rate detection on a bathroom scale based on the ballistocardiogram and the continuous wavelet transform

Ballistocardiography is a non-invasive technique that yields information about the cardiovascular system that is not available in other external signals such as the electrocardiogram (ECG). In the last years, several research groups have obtained the ballistocardiogram (BCG) by using instrumentation...

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Bibliographic Details
Published in2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Vol. 2010; pp. 2557 - 2560
Main Authors Gilaberte, S, Gómez-Clapers, J, Casanella, R, Pallas-Areny, R
Format Conference Proceeding Journal Article
LanguageEnglish
Published United States IEEE 01.01.2010
Subjects
Algorithms
Ballistocardiography - methods
Band pass filters
Continuous wavelet transforms
Discrete wavelet transforms
Electrocardiography
Electrocardiography - methods
Electrodes
Equipment Design
Female
Heart Rate
Humans
Male
Reproducibility of Results
Respiration
Respiratory Rate
Signal Processing, Computer-Assisted
Time Factors
Wavelet Analysis
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ISBN1424441234
9781424441235
ISSN1094-687X
1557-170X
DOI10.1109/IEMBS.2010.5626866

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Summary:Ballistocardiography is a non-invasive technique that yields information about the cardiovascular system that is not available in other external signals such as the electrocardiogram (ECG). In the last years, several research groups have obtained the ballistocardiogram (BCG) by using instrumentation methods simpler than those available in the 1950s and that did not progress because of their complexity as compared to ultrasound and other noninvasive techniques that are in common use nowadays. We describe a novel method for real-time robust heart- (HR) and respiratory- (RR) rate detection from a subject that stands on a common electronic bathroom scale. BCG signals from the scale are wirelessly sent to a PC where algorithms based on the continuous wavelet transform (CWT) extract the HR and the RR. HR results are compared to those obtained from the ECG. To better assess the RR results, subjects have been asked to synchronize their breathing rate to an on-screen bar-graph set at a constant rate of breaths per minute. This method to obtain the heart and respiratory rates is simple, compact, non-invasive and passive, and can be applied to any person able to stand on an electronic weighing scale, even if wearing shoes.
ISBN:1424441234
9781424441235
ISSN:1094-687X
1557-170X
DOI:10.1109/IEMBS.2010.5626866