An electrocardiogram is a picture of the electrical conduction of the heart. By examining changes from normal on the ECG, clinicians can identify a multitude of cardiac disease processes. There are ...

“Many practitioners look mainly at surface patterns without fully understanding the physiology behind them," says Dr. Tullo.

A doctor may refer to an electrocardiogram as an “ECG” or “EKG.” It uses electrodes to measure the electrical activity of the heart. This can help medical professionals detect heart abnormalities, ...

ECG and EKG are different abbreviations for the same test, called an electrocardiogram. This test measures how electricity is functioning in a person’s heart. People may also refer to it as an ...