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A 38-year-old member asked:

What is the survival rate with left complete bundle branch block?

2 doctor answers4 doctors weighed in
Dr. Mark Milunski
Cardiology 38 years experience
Survival and LBBB: That is a difficult question to answer in a short space. Survival with left bundle branch block is not dependent on the block itself but what caused the conduction defect. Therefore, there is no set “survival rate” for this condition.
Dr. John Szawaluk
Cardiology 32 years experience
Depends: On the underling cause. Those with coronary artery diease or myocardial infarction have a much worse prognosis than an incidental lbbb.(left bundle branch block).

Similar questions

Riverview, MI
A 68-year-old female asked:

Is left branch bundle block serious?

1 doctor answer2 doctors weighed in
Dr. Robert Kneece
Specializes in Internal Medicine and Pediatrics
Maybe: A new onset Left Bundle branch block with a previous normal one can be serious.However if long standing usual not worrisome unless having symptoms of Chest pain,shortness of breath,swelling of legs,etc.

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Last updated Feb 6, 2020

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