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本文介绍了心电图和心音图和/或颈动脉搏动图的迭加方法。通过迭加,仅用单笔心电图机就可以测量以往需用多导仪来测量的心脏收缩时间间期。
This article describes the superposition method of electrocardiogram and phonocardiogram and / or carotid pulsation. By superimposing, the systolic time span, previously measured with a multi-gauge, can be measured using only a single electrocardiograph.