What is meant by rbbb? What are its symptoms?

Right bundle . Rbbb stands for right bundle branch block. Your heart has specialized conduction tissue to carry electrical information. The ventricles (bottom chambers) are served by the right bundle branch and the left bundle branch. Rbbb means the right bundle isn't conducting properly. In and of itself this is likely to be asymptomatic. But if assoc. With another underlying heart condition it could be.