12 channel ECG machine is a medical equipment used to capture the electrical activity of the heart. It collects electrical impulses from 12 different body sites. The device detects the electrical signals generated by the heart and displays them as a graph on a screen or piece of paper using electrodes attached to the patient's chest, arms, and legs. Compared to a single-lead ECG equipment, 12 channel ECG machine provides a more precise and detailed depiction of the electrical activity of the heart. Using this equipment, doctors can identify and keep track of a number of cardiac disorders, such as arrhythmias, heart attacks, and heart disease.