title: [The bradycardia-tachycardia syndrome].
mesh_terms: D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012804:Sick Sinus Syndrome / Q000503:physiopathology
vernacular_title: Bradykardia-tachykardia syndróm.