An electrocardiogram (ECG), also known as an electrocardiograph, is a valuable instrument used to assess the heart's activity of the heart. During a resting ECG, a subject remains still while electrodes are placed on their chest, arms, and legs. These electrodes measure the subtle electrical signals generated by the heart as it pump. The recorded s

A resting electrocardiogram (ECG), also called, is a straightforward test that measures the signals of your heart. During this test, you will lie down in a quiet environment while electrodes are attached to your chest, arms, and legs. These wires record the ECG's signals to a machine that shows a graphical representation of your heart rhythm. A res