Please review the following animated video tutorial of Second Degree AV Block (Mobitz II).  There is an optional audio file which may be played simultaneously.

A malfunctioning AV node (the pathology often extends to the HIS Bundle and distal branches) of the Mobitz II is characterized as follows: The PR

Please see the animated video below with optional audio covering Second Degree AV Block (Mobitz II).  The audio may be played simultaneously with the video.