title: Letter: Brady-tachy syndrome with prolonged retrograde conduction due to digitalis and propranolol intoxication.
mesh_terms: D000368:Aged; D001919:Bradycardia / Q000139:chemically induced* / Q000503:physiopathology; D004077:Digoxin / Q000506:poisoning* / Q000627:therapeutic use; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects* / Q000503:physiopathology; D006801:Humans; D011433:Propranolol / Q000506:poisoning* / Q000627:therapeutic use; D013610:Tachycardia / Q000139:chemically induced* / Q000188:drug therapy / Q000503:physiopathology
chemical_list: D004077:Digoxin; D011433:Propranolol