In your study of neuron physiology, you learned that depolarization is dependent on the sodium entry (influx), and repolarization contingent on the potassium exit (efflux.) Compare the action potential in the heart’s intrinsic conduction and contractile cells, then explain why the electrocardiogram has different parts (P, QRS complex, and T wave.)?

Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter9: Cardiac Physiology
Section: Chapter Questions
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In your study of neuron physiology, you learned that depolarization is dependent on the sodium entry (influx), and repolarization contingent on the potassium exit (efflux.)

Compare the action potential in the heart’s intrinsic conduction and contractile cells, then explain why the electrocardiogram has different parts (P, QRS complex, and T wave.)?

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