AV blocks
Revision as of 22:53, 26 November 2015 by Rossdonaldson1 (talk | contribs)
- First Degree
- Prolonged PR interval (>200msec) but constant and always conducts
- Second Degree
- Type I
- Mobitz I (Wenckeback)
- Progressive prolongation with intermittent dropped QRS complexes
- Progressively shortening RR intervals
- Type II
- Mobitz II
- PR interval is constant with intermittent P waves not conducting QRS complexes
- Surrounding RR intervals are constant
- Third Degree
- Complete Heart Block - no AV conduction
- Dissociation between P waves and QRS complexes
See Also
Video
{{#widget:YouTube|id=4PlJnmzQ87Q}}