thaler chapter 1

1. The Basics

In this chapter you will learn:

1 how the electrical current in the heart is generated 2 how this current is propagated through the four chambers of the heart 3 that the movement of electricity through the heart produces predictable wave patterns on the EKG 4 how the EKG machine detects and records these waves 5 that the EKG looks at the heart from 12 different perspectives, providing a remarkable three-dimensional electrical map of the heart 6 that you are now able to recognize and understand all the lines and waves on the 12-lead EKG 7 that trusting the EKG machine to interpret your patient’s EKG is nothing but an invitation to trouble!

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