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Design and implementation of 3-lead ECG machine for rural medification

机译：三导联心电图机在农村的设计与实现

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摘要

The number of decease due to Cardiovascular Disease (CVD) in low and middle-income countries has become a major concern. From a clinical standpoint, electrocardiogram is an useful mechanism to diagnose cardiac diseases. Therefore, electrocardiogram based machine design has taken into consideration to create a framework for building a simple, low cost microcontroller based ECG monitoring system. However, most of the machines in current research has high price with bulky shape which deprives the people of remote area to get benefit from it. Therefore, the paper tries to design a smart economical diagnosis system which can maintain reliable diagnosis with better portability. This system has been implemented by instrumentation amplifier with high common mode rejection ration and right leg circuit to remove 50 Hz noise of ac main. Digital and analog filtering of the system has optimized the signal by removing baseline wandering and power frequency noise. The communication between the hardware and software is interfaced through USB port using microcontroller. The implementation of this system shows greater benefits in domestic health monitoring and rural area's medical camp.
机译：在低收入和中等收入国家，由于心血管疾病（CVD）引起的死亡人数已成为主要关注的问题。从临床角度来看，心电图是诊断心脏疾病的有用机制。因此，已经考虑了基于心电图的机器设计，以创建一个框架来构建简单，低成本的基于微控制器的ECG监测系统。但是，当前研究中的大多数机器价格高昂且外形笨重，使偏远地区的人们无法从中受益。因此，本文试图设计一种智能的经济诊断系统，该系统可保持可靠的诊断并具有更好的便携性。该系统由具有高共模抑制比的仪表放大器和右脚电路实现，以消除交流主电源的50 Hz噪声。该系统的数字和模拟滤波通过消除基线漂移和工频噪声对信号进行了优化。硬件和软件之间的通信使用微控制器通过USB端口进行接口。该系统的实施在家庭健康监测和农村地区的医疗营地中显示出更大的好处。

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