Ask the doctor: Is bundle branch block serious?

Published: January, 2009

Q. I had an electrocardiogram in preparation for minor surgery. My doctor told me it showed that I have right bundle branch block. Neither he nor my cardiologist are worried about it, but I am. Is this serious?

A. Much of the time, bundle branch block is not serious. If your doctors are telling you it's okay, I would trust them.

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