Understanding Pathophysiology, 6e
6th Edition
ISBN: 9780323354097
Author: Sue E. Huether RN PhD, Kathryn L. McCance RN PhD
Publisher: Elsevier Science
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Question
Chapter 23.3, Problem 1QC
Summary Introduction
To describe: The pathways of conduction through the heart.
Concept introduction: The myocardium of the heart helps to enable the transmission of electrical impulses (action potentials) for the continuous repetition of cardiac cycle. It consists of its own pacemaker and conduction system (specialized cells) concentrated at two sites (SA and AV node) for the generation and transmission of electrical impulses. The conduction pathway of the heart starts when the electrical impulse travels from the sinus node and ends at the purkinje fibers.
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