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http://dx.doi.org/10.5762/KAIS.2013.14.4.1903

Development of a Portable Digital Electrocardiograph(ECG) measurable with Gel-less Metal Electrodes  

Nam, Young-Jin (Department of Electronics Engineering, SoonchunHyang University)
Park, Kwang-Min (Department of Electronics Engineering, SoonchunHyang University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.14, no.4, 2013 , pp. 1903-1907 More about this Journal
Abstract
Heart condition should be observed for long periods of time because it does not appear abnormal all the time. However, there are many difficulties checking our health for a long time due to its size, operation of equipment, and cost. To solve these problems, an electrocardiograms(ECG), specially interfacing three gel-less metal electrodes for low cost portable applications, is designed and implemented. Gel-less metal electrodes are used for ECG monitoring system instead of gel-type electrodes that can cause skin rashes and itching problem. The whole ECG system consists of two parts-analog and digital circuits. The analog measurement circuit that has a 18*25mm size is made up of op-amps maintaining a sufficiently high common-mode noise rejection and passive elements of SMD type. Analog heart signal is converted to digital stream suitable for display on a TFT-LCD by an 8-bit microcontroller. The size of the completed ECG system is 25*80*50mm and its weighing is about 150g, which is small enough to be easily used. Therefore, the implemented ECG system can be used as a portable one.
Keywords
Heart condition; ECG; Metal electrode; Op-amp;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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