TY - CHAP M1 - Book, Section TI - Origin of the Heartbeat & the Electrical Activity of the Heart A1 - Barrett, Kim E. A1 - Barman, Susan M. A1 - Brooks, Heddwen L. A1 - Yuan, Jason X.-J. PY - 2019 T2 - Ganong's Review of Medical Physiology, 26e AB - OBJECTIVESAfter studying this chapter, you should be able to:Describe the structure and function of the conduction system of the heart and compare the action potentials in each part.Describe the way the electrocardiogram (ECG) is recorded, the waves of the ECG, and the relationship of the ECG to the electrical axis of the heart.Name the common cardiac arrhythmias and describe the processes that produce them.List the principal early and late ECG manifestations of myocardial infarction and explain the early changes in terms of the underlying ionic events that produce them.Describe the ECG changes and the changes in cardiac function produced by alterations in the ionic composition of the body fluids. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/03/29 UR - accessmedicine.mhmedical.com/content.aspx?aid=1162724866 ER -