Ask the doctor. The right ventricle bundle of nerves in my heart is blocked, and the doctor I went to did not seem concerned at all. Yet a friend of mine who had the same condition almost died when the left bundle shut down. He just happened to be in the hospital for another condition when it occurred, and they put a pacemaker in. He had some chest pain, but is otherwise OK. Do I need a pacemaker, too?
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Lee
D002037:Bundle-Branch Block / Q000628:therapy*; D006801:Humans; D010138:Pacemaker, Artificial