Then, she'll do a cardiogram.

然后，她会做一个心电图。

Then, she did a cardiogram.

然后，她（为我）做了心电图。

A cardiogram is necessary.

需要查一下心电图。

Data were colleted in the ultrasonic cardiogram room.

在超声心动图室收集资料。

"This is a cardiogram of Russian society," says Mr Gudkov.

“这是俄罗斯社会的心电图”，古德·考夫如是说。