In ECG tracings, extension of the P-R interval to more than 200 msec most likely can indicate which of the following?

Name: In ECG tracings, extension of the P-R interval to more than 200 msec most likely can indicate which of the following?
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Quizplus · Accepted Answer

Extension of the P-R interval to more than 200 msec indicates damage to the conducting pathways, specifically the AV node or bundle of His. This may result in slowed conduction or blockage of impulses, leading to various arrhythmias such as heart block.

In ECG Tracings, Extension of the P-R Interval to More