Because of a reduced blood supply to the AV node, the delay in the conduction of action potentials from the SA node to the AV node is increased slightly.  All other areas of the conducting system of the heart are functioning normally.  Predict how this affects the normal rhythm of the heart.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Predict:  Because of a reduced blood supply to the AV node, the delay in the conduction of action potentials from the SA node to the AV node is increased slightly.  All other areas of the conducting system of the heart are functioning normally.  Predict how this affects the normal rhythm of the heart.

 

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