Basic ECG theory, recordings, and interpretation

Anthony Dupre, Sarah Vincent, Paul A Iaizzo

Research output: Chapter in Book/Report/Conference proceedingChapter

30 Scopus citations


An electrocardiogram (ECG; in German, the electrokardiogram, EKG) is a measure of how the electrical activity of the heart changes over time as action potentials propagate throughout the heart during each cardiac cycle. However, this is not a direct measure of the cellular depolarization and repolarization with the heart, but rather the relative, cumulative magnitude of populations of cells eliciting changes in their membrane potentials at a given point in time; it shows electrical differences across the heart when depolarization and repolarization of these atrial and ventricular cells occur.

Original languageEnglish (US)
Title of host publicationHandbook of Cardiac Anatomy, Physiology, and Devices
PublisherHumana Press
Number of pages11
ISBN (Print)1588294439, 9781588294432
StatePublished - Dec 1 2005


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