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。
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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