A resting electrocardiogram (ECG or EKG) is a noninvasive procedure that measures the electrical activity of your heart. During this test, electrodes are placed on your chest, arms, and legs to detect the tiny electrical signals produced by your heart as it beats. These signals are then amplified and recorded on graph paper or displayed on a comput… Read More


A resting electrocardiogram (ECG) offers a valuable picture of your heart's function. During this simple test, electrodes are attached to your chest, arms, and legs. These electrodes monitor the subtle electrical signals that control your heart's rhythm. The resulting tracing, a waveform of lines, reveals important information about the health of y… Read More