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进行阻抗心动图检查时,通常与心电图、心音图及某些心机械图同步记录。阻抗随时间的变化(△Z)及其微分波(dz/dt)都有应用价值。以下着重介绍阻抗微分波的意义和应用。
Impedance cardiogram examination, usually with electrocardiogram, phonocardiogram and some cardiac mechanical record synchronization. Impedance changes with time (△ Z) and its differential wave (dz / dt) have application value. The following focuses on the significance of impedance differential wave and its application.