title: Chronic sinus node disease: natural course and indications for pacing.
mesh_terms: D002304:Cardiac Pacing, Artificial; D002908:Chronic Disease; D003645:Death, Sudden / Q000473:pathology; D004812:Epidemiologic Methods; D006801:Humans; D011379:Prognosis; D012804:Sick Sinus Syndrome / Q000175:diagnosis / Q000503:physiopathology*