Question

What is an electrocardiogram

Answer 1

Electrocardiography is the process of producing an electrocardiogram, a recording – a graph of voltage versus time – of the electrical activity of the heart using electrodes placed on the skin.

Step-by-step explanation:

Answer 2

Electrocardiogram or (ECG or EKG) is used to check heart rate and rhythm. This test can often detect heart disease, heart attack, an enlarged heart, or abnormal heart rhythms that may cause heart failure.