In third-degree AV block, if the impulse causing ventricular depolarization is coming from the AV junction, what will the heart rate be?
A)20 to 40 bpm
B)40 to 60 bpm
C)60 to 100 bpm
D)100 to 150 bpm

Question

Quizplus · Accepted Answer

In third-degree AV block, if the impulse causing ventricular depolarization originates from the AV junction, the heart rate typically ranges from 40 to 60 beats per minute. This is because the AV junction (or nodal) rhythm inherently fires at this rate when it takes over as the pacemaker.

In Third-Degree AV Block, If the Impulse Causing Ventricular Depolarization