What is the normal total delay of the cardiac impulse in the A-V node + bundle?
Correct Answer: 0.16 second
Description: The impulse from the S-A node travels rapidly through the internodal pathways and arrives at the A-V node at 0.03 second, at the A-V bundle at 0.12 second, and at the ventricular septum at 0.16 second. The total delay is thus 0.16 second
Category:
Physiology
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