<b><span style="font-size: small;">What is an electrocardiogram?</span></b><br>
What is an electrocardiogram?
(EKG, ECG) A printout from an electrocardiograph machine that measures and records the electrical activity of the heart. EKG's are painless, non-invasive, and can indicate whether or not there is a serious problem with your heart.
Copyright 2013 Nexstar Broadcasting, Inc. All rights reserved.