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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Relationship of the Respiration Waveform to a Chest Worn Inertial Sensor.
    Author: Skoric J, D'Mello Y, Aboulezz E, Hakim S, Clairmonte N, Lortie M, Plant DV.
    Journal: Annu Int Conf IEEE Eng Med Biol Soc; 2020 Jul; 2020():2732-2735. PubMed ID: 33018571.
    Abstract:
    Demand of portable health monitoring has been growing due to increasing cardiovascular and respiratory diseases. While both cardiovascular monitoring and respiratory monitoring have been developed independently, there lacks a simple integrated solution to monitor both simultaneously. Seismocardiography (SCG), a method of recording cardiac vibrations with an accelerometer can also be used to extract respiratory information via low frequency chest oscillations. This study used an inertial measurement unit which pairs a 3-axis accelerometer and a 3-axis gyroscope to monitor respiration while maintaining optimum placement protocol for recording SCG. Additionally, the connection between inertial measurement and both respiratory rate and volume were explored based on their correlation with a Spirometer. Respiratory volume was shown to have moderate correlation with chest motion with an average best-case correlation coefficient of 0.679 across acceleration and gyration. The techniques described will assist the design of future SCG algorithms by understanding the sources behind their modulation from respiration. This paper shows that a simplified processing technique can be added to SCG algorithms for respiration monitoring.
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