title: [Observations on the sick sinus syndrome].
mesh_terms: D000328:Adult; D000368:Aged; D001146:Arrhythmia, Sinus / Q000175:diagnosis* / Q000188:drug therapy / Q000628:therapy; D001532:Atropa belladonna / Q000627:therapeutic use; D001285:Atropine / Q000627:therapeutic use; D004554:Electric Countershock; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D008517:Phytotherapy; D010946:Plants, Medicinal; D010947:Plants, Toxic; D013577:Syndrome
chemical_list: D001285:Atropine
vernacular_title: Własne obserwacje nad zespołem "słabego wezła zatokowego"