Normal heart rhythm:

An electrocardiogram (ECG) test measures the electrical activity of the heart. A normal resting heart rate is 60 - 100 beats per minute.
- Reviewed last on: 9/3/2008
- Larry A. Weinrauch MD, Assistant Professor of Medicine, Harvard Medical School, Cardiovascular Disease and Clinical Outcomes Research, Watertown, MA.. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.