ECG is a commonly used heart function test in analysis of cardiac chronotropic and dromotropic, but it can not be used for detection of cardiac inotropic.

心电图是最常用的心功能检测方法，能监测心脏变时性和变传导性，但不能检测心脏的变力性。

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The heart function can be assessed with an ultrasound of the heart called an echocardiogram or with a nuclear medicine test.

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