An electrocardiogram (ECG), also known as an electrocardiograph, is a valuable technique used to evaluate the rhythmic activity of the heart. During a resting ECG, a subject remains still while leads are placed on their chest, arms, and legs. These electrodes measure the minute electrical signals generated by the heart as it contracts. The recorded
An electrocardiogram (ECG) at rest
A resting electrocardiogram (ECG), also called, is a simple test that records the electrical activity of your heart. During this test, you will remain seated in a calm environment while electrodes are attached to your chest, arms, and legs. These sensors transmit the electrical signals to a machine that displays a graphical representation of your h