AV blocks: Difference between revisions
No edit summary |
No edit summary |
||
| Line 2: | Line 2: | ||
**Prolonged PR interval (>200msec) but constant and always conducts | **Prolonged PR interval (>200msec) but constant and always conducts | ||
*Second Degree | *Second Degree | ||
**[[Second Degree AV Block Type I]](Wenckeback) | **[[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 | ||
**Second Degree AV Block Type II | **[[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
{{#widget:YouTube|id=4PlJnmzQ87Q}}