The most common cause of an unexplained pause is a(n)
A)Nonconducted PAC.
B)Sinus arrest.
C)Sinus block.
D)Atrial tachycardia.

Name: The most common cause of an unexplained pause is a(n) A)Nonconducted PAC. B)Sinus arrest. C)Sinus block. D)Atrial tachycardia.
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Question

Quizplus · Accepted Answer

Nonconducted PAC (Premature Atrial Contraction) is the most common cause of an unexplained pause because it occurs when an early atrial impulse is not conducted to the ventricles, leading to a pause in the heart rhythm.

The Most Common Cause of an Unexplained Pause Is A(n)