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URL of this page: //medlineplus.gov/ency/imagepages/18032.htm
Normal heart rhythm
Overview
An electrocardiogram (ECG) test measures the electrical activity of the heart. A normal resting heart rate is 60 to 100 beats per minute.
Review Date 6/1/2026
Updated by: Thomas S. Metkus, MD, PhD, Associate Professor of Medicine and Surgery, Johns Hopkins University School of Medicine, Baltimore, MD. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
