Question

what is ECG???????????????????​

Answer 1

Answer:

An electrocardiogram (ECG or EKG) is a record of the electrical activity of the heart over a period of time. It was invented by Willem Einthoven. It is done by electrodes attached to the outer surface of the skin and recorded by a device outside the body. An electrocardiogram is used to monitor your heart.

Answer 2

Answer:

Electrocardiogram (ECG)

Explanation:

An electrocardiogram (ECG) is a simple test that can be used to check your heart's rhythm and electrical activity.