Proceedings: The sick sinus syndrome.
D001146:Arrhythmia, Sinus / Q000175:diagnosis* / Q000628:therapy; D001919:Bradycardia / Q000209:etiology; D002648:Child; D006323:Heart Arrest / Q000209:etiology; D006801:Humans; D010138:Pacemaker, Artificial; D013575:Syncope / Q000209:etiology; D013577:Syndrome