A 45-year-old member asked:
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What are differences between left bundle branch block and right bundle branch block?

1 doctor answer
Dr. Shahin Tavackoli
22 years experience in Cardiology
The location: Obviously the location of the electrical block in the conduction of electric impulses from the atrium to the ventricles is different. The electrical signals travel to the two ventricles through the left and the right bundle, the left then bifurcates to two fascicles itself. In my experience, the non-pathologic presence of right bundle branch block is more common.
Answered on Oct 5, 2018
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Related questions:

A 33-year-old member asked:
Dr. Louis Grenzer
54 years experience in Cardiology
Yes: It is sometimes seen intermittently. It can be present on an EKG and not on one done at a later date. At times it occurs when the heart is beating fas ... Read More
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A 47-year-old member asked:
Dr. Mark Milunski
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Treatment of LBBB: There is no specific treatment for left bundle branch block. However, treatment is directed at the underlying cause of this conduction disturbance.
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A 50-year-old member asked:
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Doesn't need to be: A left bundle branch block does not need to be treated unless it is associated with other conduction problems leading to advanced heart block and symp ... Read More
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A 36-year-old member asked:
Dr. Bradley Radwaner
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