What is the difference between 1 channel, 3 channel, 6 channel and 12 channel ECG machines?
Electrocardiogram (ECG) machine is an important medical device for recording the electrical activity of the heart. It is commonly used to diagnose various heart conditions, including arrhythmias, coronary artery disease, and heart attacks. Ecg machines are divided into "channels," which refers to the number of leads or wires used to record the heart's electrical signals.