Some countries, such as Italy and Japan, screen young people with the use of an electrocardiogram (ECG, or EKG), which records the electrical signals present in the heart.

一些其他的国家，比如意大利和日本，人们用心电图（ECG或EKG）给年轻人做检查，心电图记录了心脏发出的电信号。

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The EKG (electrocardiogram) sensor measures cardiac electrical potential wave forms (voltages) produced by the heart as its Chambers contract.

EKG(心电图)传感器可测量当心脏内腔收缩时所产生的心肌电势波形(电压)。

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The first test I underwent was an EKG (electrocardiogram), which has been the front line test of cardiac diagnostics for many years.

FORBES: My Visit with a Cardiologist, and What You Should Know About Your Heart