AV blocks: Difference between revisions
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*First Degree | *[[First Degree AV Block]] | ||
**Prolonged PR interval (>200msec) but constant and always conducts | **Prolonged PR interval (>200msec) but constant and always conducts | ||
*Second Degree | *Second Degree | ||
**Type I | **[[Second Degree AV Block Type I]](Wenckeback) | ||
***Progressive prolongation with intermittent dropped QRS complexes | ***Progressive prolongation with intermittent dropped QRS complexes | ||
***Progressively shortening RR intervals | ***Progressively shortening RR intervals | ||
**Type | **Second Degree AV Block Type II | ||
***PR interval is constant with intermittent P waves not conducting QRS complexes | ***PR interval is constant with intermittent P waves not conducting QRS complexes | ||
***Surrounding RR intervals are constant | ***Surrounding RR intervals are constant | ||
Revision as of 22:09, 26 March 2016
- First Degree AV Block
- Prolonged PR interval (>200msec) but constant and always conducts
- Second Degree
- Second Degree AV Block Type I(Wenckeback)
- Progressive prolongation with intermittent dropped QRS complexes
- Progressively shortening RR intervals
- Second Degree AV Block Type II
- PR interval is constant with intermittent P waves not conducting QRS complexes
- Surrounding RR intervals are constant
- Second Degree AV Block Type I(Wenckeback)
- Third Degree
- Complete Heart Block - no AV conduction
- Dissociation between P waves and QRS complexes
See Also
Video
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