An ECG is very useful in determining whether a person has heart disease. During an ECG electrodes are affixed to each arm and leg and to the chest.
Review Date 11/8/2006
Updated by: A.D.A.M. Medical Illustration Team: Meredith Nienkamp, M.S.M.I., Dan Johnson, M.S.M.I., Lisa Higginbotham, M.S.M.I. Review also provided by VeriMed Healthcare Network.