J Med Syst - The effect of textile-based inductive coil sensor positions for heart rate monitoring.

Tópicos

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Resumo

In the research related to heart rate measurement, few studies have been done using magnetic-induced conductivity sensing methods to measure the heart rate. The aim of this study was to analyze the effect of the position of a textile-based inductive coil sensor on the measurement of the heart rate. In order to assess the capability of the textile-based inductive coil sensor and the repeatability of measured cardiac muscle contractions, we proposed a new quality index based on the morphology of measured signals using a textile-based inductive coil sensor. We initially explored eight potential positions of the inductive sensor in a pilot experiment, followed by three sensor positions in the main experiment. A simultaneously measured electrocardiography (ECG) signal (Lead II) which was used as a reference signal for a comparison of the R-peak location with signals obtained from selected positions of the textile-based inductive coil sensor. The result of the main experiment indicated that the total quality index obtained from the sensor position 'P3', which was located 3?cm away from the left side from the center front line on the chest circumference line, was the highest (QI value = 1.30) among the three positions across all the subjects. This finding led us to conclude that (1) the position of the textile-based inductive coil sensor significantly affected the quality of the measurement results, and that (2) P3 would be the most appropriate position for the textile-based inductive coil sensor for heart rate measurements based on the magnetic-induced conductivity sensing principle.

Resumo Limpo

research relat heart rate measur studi done use magneticinduc conduct sens method measur heart rate aim studi analyz effect posit textilebas induct coil sensor measur heart rate order assess capabl textilebas induct coil sensor repeat measur cardiac muscl contract propos new qualiti index base morpholog measur signal use textilebas induct coil sensor initi explor eight potenti posit induct sensor pilot experi follow three sensor posit main experi simultan measur electrocardiographi ecg signal lead ii use refer signal comparison rpeak locat signal obtain select posit textilebas induct coil sensor result main experi indic total qualiti index obtain sensor posit p locat cm away left side center front line chest circumfer line highest qi valu among three posit across subject find led us conclud posit textilebas induct coil sensor signific affect qualiti measur result p appropri posit textilebas induct coil sensor heart rate measur base magneticinduc conduct sens principl

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