NHLBI Educational Materials Catalog: Facts About Electrocardiogram
Facts About Electrocardiogram
Written in plain English, this fact sheet describes the cardiovascular diagnostic test called electrocardiogram, also known as EKG or ECG. This test detects and records the electrical activity of the heart and is used to locate the source of heart problems. The fact sheet explains EKG from the patient’s perspective; why your doctor would order one done, its risks, and what happens to you before, during and after the procedure. Includes links to other online resources.