electrocardiogram

A disposable electrocardiogram machine the size of a Band-Aid monitors a heart patient.

一个邦迪大小的一次性心电图仪器监视着一个心脏病人。

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。