Holter monitor. This portable ECG device can be worn for a day or more to record your heart's activity as you go about your routine.

动态心电图这是一种可随身携带的心电图，可以在你正常生活时连续记录下几天内心脏的电活动。

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So the studies on ECG record, ECG processing and ECG analyzing are constantly followed with interest.

因此，关于心电信号的记录、处理和分析的研究一直为各方所关注。

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This is somewhat similar to the ripples on the ECG, the waves record the state of a living body in the course of time.

这有点类似于心电图上的波纹，波纹其实就记载着一个生命体在时间过程中的一种状态。

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