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1、最新资料推荐心电图机原理与故障分析1心电图机原理与故障分析姓 名：系 部：医用电子信息与工程系 专 业：临床工程技术班 级：指导教师：2心电图机原理与故障分析 摘 要 心电图机是医疗单位用于描记心脏组织活动所产生的生物电信号的仪器。体表心电经电极、导联线送至心电图机，心电图机主体从原理上可分为输入回路、导联选择、放大电路、描笔驱动和走纸部分。心电图是从体表记录的心脏电位随时间变化而变化的曲线，它可以反映出心脏兴奋的产生、传导和恢复过程中的生物电位变化。在心电图记录纸上，横轴代表时间，纵轴代表波形幅度。在心电图机测试使用前，要对其性能进行检测。在使用过程中常出现充电、电源供电异常等非正常故障，严
2、重影 响心电图机使用，因此，必须加强心电图机的性能检测工作，强化心 电图机动态管理，保证各个技术指标准确可靠。本论文通过对心电图机原理的介绍，分析了心电图机的性能检测 实验和故障实验，阐述了心电图机内部电路图，完成了对心电图机原 理、性能检测和故障分析。是一篇具有较高学术水准和实践操作水平的论文。关键词：心电图机，性能检测，故障关键词：心电图机，性能检测，故障 Analysis of electrocardiogram machine principle and fault ABSTRACTElectrocardiogram machine is medical treatment unit
3、is used to trace the heart biological electrical signals generated by the instrument of organization s activities. By surface electrocardiogram electrodes, lead wire to the electrocardiogram machine, sent to the electrocardiogram machine, electrocardiogram machine main body in principle can be divid
4、ed into the input circuit, lead selection, amplifying circuit, pen drive and the feeding section. From body surface electrocardiogram record in the heart of the curve of the potential changes over time, it can reflect the heart excited biological potential changes in theprocess of generation, transm
5、ission and recovery. On the electrocardiogram recording paper, the horizontal axis represents time, the vertical axis represents the waveformamplitude. In electrocardiogram machine test before use, to the performance test. In use process middling becomeabnormal lead switch, paper feed, an abnormal power supply and other abnormal failure, serious impact on electrocardiogram machi.
