title: [Sick sinus syndrome].
mesh_terms: D000368:Aged; D001146:Arrhythmia, Sinus / Q000503:physiopathology*; D003327:Coronary Disease / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000503:physiopathology*; D006801:Humans; D006980:Hyperthyroidism / Q000503:physiopathology; D008875:Middle Aged; D012214:Rheumatic Heart Disease / Q000503:physiopathology; D012848:Sinoatrial Block / Q000503:physiopathology*; D013577:Syndrome
vernacular_title: Sindrom slabosti sinusovogo uzla.