title: Bradycardia.
mesh_terms: D000219:Adams-Stokes Syndrome / Q000150:complications; D001285:Atropine / Q000627:therapeutic use; D001919:Bradycardia / Q000175:diagnosis* / Q000209:etiology / Q000628:therapy; D004562:Electrocardiography; D006801:Humans; D007545:Isoproterenol / Q000627:therapeutic use; D010138:Pacemaker, Artificial; D012848:Sinoatrial Block / Q000150:complications; D013575:Syncope / Q000209:etiology
chemical_list: D001285:Atropine; D007545:Isoproterenol