名词
中文翻译：心电图仪
同义词：
['echoscope', 'echocardiogram', 'electrocardiogram']
例句：
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1. The cardiologist used the echoscope to examine the patient's heart.
这位心脏病专家使用心脏听诊器检查了患者的心脏。
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2. During the echocardiogram, the doctor could see the images of the heart's chambers.
在心脏超声图期间，医生可以看到心室的图像。
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3. The electrocardiogram showed that the patient had atrial fibrillation.
心电图显示患者有房颤。