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本文采用心电与心阻抗微分叠加图的方法,对371例健康成人的心动时相及心脏指数进行了测定,并对各波及有关心动时相的意义作了简要的讨论。初步认为本法测定心输出量及心动时相,是一种既准确又简便易行的方法,适合临床上推广使用。
In this paper, electrocardiogram and heart impedance differential overlay graph method was used to measure the cardiac phase and cardiac index of 371 healthy adults, and the significance of each wave related to the cardiac phase was briefly discussed. Initially that the determination of cardiac output and cardiac time, this method is an accurate and simple and easy way, suitable for clinical use.