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Below is an electrocardiogram of left bundle branch block.
Below are two interesting strips that show a rate dependent bundle branch block that is probably a left bundle branch morphology. In the first recording a PVC (labeled V) creates a long RR interval and then allows the left bundle to recover and hence the narrow QRS complex. The lower strip shows the opposite where a PVC couplet shortens the RR interval and induces the left bundle branch again.


[[File:LBBB.CMG.jpg|center|500px]]
[[File:LBBB13.jpg|center|500px]]

Revision as of 16:09, 17 October 2012

Class I
(Level of Evidence: A)

Class III (No Benefit)

Class IIa

"....."

Flowchart

 
 
 
 
 
 
 
 
Confirmed PE
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Assess Clinical
Stability
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Unstable
 
 
 
 
 
 
 
 
 
 
 
Stable
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Blood Pressure =< 90mm
Drop >=40mm for > 15 min
 
 
 
 
 
 
 
 
 
 
 
Assess RV function
Biomarkers of injury
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Thrombolysis
Catheter embolectomy
Surgery
 
 
 
 
 
 
 
 
 
 
 
 
 


EKG to be clarified


Below is an electrocardiogram of left bundle branch block with left anterior fascicular block.


Below is an electrocardiogram of wide complex tachycardia (?).


Below are two interesting strips that show a rate dependent bundle branch block that is probably a left bundle branch morphology. In the first recording a PVC (labeled V) creates a long RR interval and then allows the left bundle to recover and hence the narrow QRS complex. The lower strip shows the opposite where a PVC couplet shortens the RR interval and induces the left bundle branch again.