A change in the heart’s normal electrical conduction system can result in an arrhythmia, or irregular heartbeat.
An arrhythmia can be an abnormally slow heartbeat, or an abnormally fast heartbeat. In some cases, it can be fatal.BACK TO TOP
Review Date: 5/8/2022
Reviewed By: Fang JC, O'Gara PT. History and physical examination: an evidence-based approach. In: Libby P, Bonow RO, Mann DL, Tomaselli GF, Bhatt DL, Solomon SD, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 12th ed. Philadelphia, PA: Elsevier Saunders; 2022: chap 13.
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