The heart is the centre of the circulatory system (a network of blood vessels that goes through all the body, carrying oxygenated blood to all the organs and bringing carbon dioxide back to be oxygenated again).The heart is the muscular organ in charge of pumping blood to the body.
The heart uses electricity to contract its walls so as to pump the blood through the blood vessels.
The ECG records that electrical activity.
It is a simple test to check the heart's health. It is painless, no electricity is sent through the body.
The information collected through an ECG (EKG) helps to find: