title: I'm an 88-year-old man in very good health. However, I have a condition called right bundle branch block (RBBB), but my doctors try to reassure me that it is not a serious condition. Can you explain?
mesh_terms: D000369:Aged, 80 and over; D002037:Bundle-Branch Block / Q000145:classification / Q000503:physiopathology*; D006801:Humans; D008297:Male; D012720:Severity of Illness Index