名词
中文翻译：脉搏跟踪电路
同义词：
['心电图（electrocardiogram', 'ECG）']
例句：
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1.The doctor used an ECG to diagnose the patient's heart condition.
医生使用心电图来诊断病人的心脏状况。
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2. During the surgery, the ECG monitor was constantly recording vital signs.
手术期间，心电图监测仪一直在记录生命体征。
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3. The patient was monitored closely during the recovery period with an ECG monitoring system.
在康复期间，患者被密切监测着，使用了心电图监测系统。