Adaptation Of ECG Machine For Real Time ECG Capture Monitoring

Noor Shahidawati , Omar (2007) Adaptation Of ECG Machine For Real Time ECG Capture Monitoring. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Electrocardiogram (ECG) is a major source for doctors who need the information to diagnose patient’s health condition and pathology. The electrocardiograph (ECG) is one of the medical equipment that investigates any heart disease or any cardiac abnormalities. Each portion of the ECG waveform can obtain the patients status prediction whether there are in good condition or not. ECG signal are usually small (approximate 1mv) and carry lot of noise (which are commonly influenced by 50 Hz power supply, by changing of skin electrode contact resistor).This project is to design, analysis and developed a system that can capture a real time ECG signal from patient and can turn the signal or data to pc. To measure the ECG signal, firstly an amplifier and a driven right leg circuit are used to reduce a part of 50 Hz common noise. ECG signals after the instrumentation amplifier will be filtered by a low pass filter to eliminate high frequency noise components, and then filtered by high pass filter to remove the base line drift. The instrumentation amplifier is designed using IC AD620 of Analog Devices Corp.

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