A 55-year-old truck driver with obstructive sleep apnea has diastolic heart failure. An echocardiogram demonstrates significant atrial enlargement. What portion of his electrocardiogram would likely be abnormal?

A) S wave
B) R wave
C) P wave
D) T wave
E) QRS complex

C) P wave

Explanation:

Sleep apnea can be described as a potentially serious sleep disorder in which breathing repeatedly stops and starts.

The Obstructive sleep apnea is a type or example of sleep apnea in which an individual can't breathe normally because of upper airway obstruction during sleep. This obstruction could be  complete or partial obstructions.

It should be understood that, an echocardiogram uses sound waves to produce images of your heart.

In this case, the P wave portion of the electrocardiogram will be abnormal. This is because, the P wave is the result of atrial depolarization and would therefore  have changes associated with atrial enlargement.

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answer; synapse; i believe this is correct,plz check first good luck;