Question

What does an electrocardiogram measure?

Answer 1

An electrocardiogram (ECG) is a test which measures the electrical activity of your heart to show whether or not it is working normally. An ECG records the heart's rhythm and activity on a moving strip of paper or a line on a screen.

Answer 2

An electrocardiogram (ECG) is an analysis which includes the electrical movement of your heart to determine whether or not it is working regularly. An ECG shows the heart's beat and action on a moving strip of paper or a line on a screen. The doctor can examine and interpret the peaks and dips on paper or screen to detect if there is any abnormal or irregular activity.