title: Conversion of paroxysmal supraventricular tachycardia due to a concealed extranodal pathway with intravenous bolus of lidocaine.
mesh_terms: D002648:Child; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D007275:Injections, Intravenous; D008012:Lidocaine / Q000008:administration & dosage / Q000627:therapeutic use*; D008297:Male; D013614:Tachycardia, Paroxysmal / Q000188:drug therapy* / Q000503:physiopathology
chemical_list: D008012:Lidocaine