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EKG Chapter 2

EKG Chapter 2 - conduction system parts

QuestionAnswer
delays the electrical conduction through the heart AV Node
ability of the heart to initiate an electrical impulse automaticity
branches off the bundle of His that conduct impulses to the left and right ventricles bundle branches
ability of the heart cells to receive and transmit an electrical impulse conductivity
an electrical current that initiates the contraction of the heart muscle depolarization
ability of the heart muscle cells to shorten in response to an electrical stimulus contractility
ability of the heart muscle cells to respond to an impulse or stimulus excitability
heart muscle cells return to their resting electrical state and the heart muscle relaxes repolarization
initiates the heartbeat SA node
distribute electrical impulses from cell to cell throughout the ventricles purkinje fibers
Created by: ihike2
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