An electrocardiogram at rest, also known as an ECG or EKG, is a common medical test that monitors the electrical activity of your heart. During this simple procedure, small electrodes are placed to your chest, arms, and legs. These electrodes send signals to a machine that displays a graph of your heart's rhythm. The ECG recording can reveal a vari

An electrocardiogram (ECG) at rest provides a valuable baseline for evaluating your heart's electrical activity. During this painless test, electrodes are applied to your chest, arms, and legs to monitor the waveforms produced by your heart. This readings can help your cardiologist assess any abnormalities in your heart's rhythm, such as bradycard