Explanation The electrocardiogram is the most common clinical method of evaluating the proper functioning of the heart. It records the electrical activity of the cardiac muscle through an electrode that is applied to the skin. The electrical signal is generated when the myocardium of the atrium and the ventricle depolarize and repolarise. These signals are conducted by the electrolytes of the body fluids. The activity of the heart is recorded as a small change in the voltage that is reflected as an upward and downward deflection on the ECG. These events are reflected in three major forms such as P wave, QRS complex and T wave...

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Question

Chapter 20, Problem 4TYC

Summary Introduction

Adequate information:

An electrocardiogram is used to gives two kinds of information. First, it helps in determining the time of the electrical wave that it takes to pass through the heart. Second, it helps in determining the amount of electrical activity produced by the heart muscle.

To determine:

The condition of the heart block by examines the electrocardiogram for this disease. Also, the reason for the second P wave in the ECG that is followed by another P instead of a QRS complex is to be determined.

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Chapter 20, Problem 3TYC

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Solution Summary: The author describes the electrocardiogram as the most common clinical method of evaluating the proper functioning of the heart.

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