Electrocardiography
= Electrocardiography
{wiki=Electrocardiography}
Electrocardiography (ECG or EKG) is a medical diagnostic tool that records the electrical activity of the heart over a period of time. It involves placing electrodes on the skin to detect the heart's electrical signals, which are then displayed as wavy lines on a graph. This visual representation provides valuable information about the heart's rhythm, size, and position, as well as potential abnormalities in the heart's electrical conduction system.