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LONG TIME CONTINUOUS SAMPLING AND REAL-TIME ANALYSIS SYSTEM FOR TWO CHANNEL ECG SIONALS

Li Qiao;Shao Qingyu; Wang Yong;Liu Yi;Zhou Hongjun(Department of Biomedical Engineering,Shandong Medical University,Jinan 250012)  
a long time contintiotis sampling and real-time analysis system for two chan-tiel ECG signals was realized on microcomputer.The problem of how to save a large numberof ECG data continuously was resolved by using the expanded memory. The system couldsample and save two channel ECG signals exceeded thirty minutes. Real-time sampling anddisplay were implemented by interrupt-routine.The system could display,analyse and clas-sify ECG signals at the same time and give an alarm when abnormal ECG signal occured.This system provided a good tool for the research of establishing ECG database and the clini-cal ECG monitor.
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