title: [Conduction disorders in the sick sinus syndrome: electrophysiological study].
mesh_terms: D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D001919:Bradycardia / Q000209:etiology; D004558:Electric Stimulation; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D012849:Sinoatrial Node / Q000503:physiopathology; D013610:Tachycardia / Q000209:etiology
vernacular_title: I disturbi di conduzione nella sick sinus syndrome: studio elettrofisiologico