An electrocardiogram (ECG), also known as an electrocardiograph, is a valuable tool used to evaluate the electrical activity of the heart. During a resting ECG, a subject remains still while sensors are placed on their chest, arms, and legs. These electrodes record the minute electrical signals generated by the heart as it contracts. The recorded s

A resting electrocardiogram (ECG), also referred to as, is a simple test that detects the signals of your heart. During this test, you will remain seated in a comfortable environment while electrodes are attached to your chest, arms, and legs. These sensors send the ECG's signals to a machine that shows a graphical representation of your heart rhyt