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1·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。

2·Of the 32 patient with continual atrial fibrillation, the index of heart rate variability(SDNN; SDANN; RMSSD and HRV triangular index)were analysed on the basis of Holter monitor.

方法在动态心电图的基础上测量分析32例持续性心房颤动患者的心率变异性指标（SDNN；SDANN；RMSSD和HRV三角指数）的改变。