心电信号是心脏电活动在体表的综合反映，临床心电图检查，对于检测和诊断心脏疾病具有重要意义。
ECG signal is a synthetic reflection of the heart electricity on body surface. It has important significance to the diagnosis of heart disease by clinical ECG examination.
盲肠和结肠初袢的电活动，均为短周期移行性综合肌电。
The myoelectric activities of cecum and proxmal loop of colon are short cycles of migrating myoelectric complex.
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