A 56-year-old member asked:
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Why are left bundle branch blocks worse than right bundle branch blocks?

1 doctor answer
Dr. Irv Loh
Dr. Irv Loh answered
48 years experience in Cardiology
The cause important: The right bundle is relatively easy to damage, so relatively small injuries can create it. The left bundles (two of them, one easy to injure, one hard to damage) require more damage to interfere with their function, so they are associated with "worse" heart disease with the prognosis inherent in your question. Cause is important, so need to talk to your doctors to sort those out.
Answered on Mar 5, 2019
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