An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of heart disease. It's done through small ...

One of the most notable features that Apple has introduced in recent years is ECG. Short for electrocardiogram, it is essentially the measurement of your heart's electrical activity and includes ...

Each line on an EKG corresponds to an electrical signal sent from the heart. Doctors know how to read and interpret these lines, which gives them a sense of the heart’s overall state.

An abnormal EKG can sometimes happen due to a variation in the rhythm of your heart. But it can also be an indicator of a more serious condition, such as a heart attack. An electrocardiogram (EKG ...