What is EKG or ECG (Electrocardiogram) Infographic
An electrocardiogram (EKG or ECG) is a test that checks for problems with the electrical activity of your heart. An EKG shows the heart’s electrical activity as line tracings on paper. The spikes and dips in the tracings are called waves.
How ECG works ?
Small metal electrodes are stuck on to your arms, legs and chest. Wires from the electrodes are connected to the electrocardiogram (ECG) machine. The machine detects and amplifies the electrical impulses that occur at each heartbeat and records them on to a paper or computer. A few heartbeats are recorded from different sets of electrodes. The test takes about five minutes to do.