Wikiwand - Electrocardiography

Electrocardiography is the process of producing an electrocardiogram , a recording of the heart's electrical activity through repeated cardiac cycles. using electrodes placed on the skin. These electrodes detect the small electrical changes that are a consequence of cardiac muscle depolarization followed by repolarization during each cardiac cycle . Changes in the normal ECG pattern occur in numerous cardiac abnormalities, including cardiac rhythm disturbances , inadequate coronary artery…