Which of the Following Is a Characteristic of Sinus Arrest

question 27

Multiple Choice

Which of the following is a characteristic of sinus arrest?

• A)The cardiac complexes before and after the sinus pause are usually regular.
• B)The PR interval is affected by the pause during a sinus arrest episode.
• C)The atrial and ventricular rates are different.
• D)The QRS morphology varies during periods of sinus arrest.

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