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The cardiac impulse is initiated and conducted further upto ventricle. The correct sequence of conduction of impulse is:

Option: 1

SA Node         AV Node        Purkinje fibre            AV Bundle


Option: 2

SA Node        Purkinje fibre         AV Node            AV Bundle             


Option: 3

SA Node         AV Node           AV Bundle                Purkinje fibre


Option: 4

SA Node        Purkinje fibre        AV Bundle           AV Node               


Answers (1)

 

atrioventricular bundle (AV bundle) -

A bundle of nodal fibres, atrioventricular bundle (AV bundle) continues from the AVN

- wherein

This passes through the atrio-ventricular septa to emerge on the top of the interventricular septum and immediately divides into a right and left bundle.

 

 Correct option is 3

 

Posted by

Sumit Saini

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