In Third-Degree AV Block, _____

question 33

Multiple Choice

In third-degree AV block, _____.

• A) the atrial rhythm (P-P interval) is irregular
• B) the ventricular rhythm (R-R interval) is irregular
• C) there is no PR interval because the atria and ventricles beat independently of each other
• D) the PR interval after a nonconducted P wave is shorter than the interval preceding the nonconducted beat

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