[Successful ablation of an automatic rhythm originating from his bundle].
Automatic junctional tachycardias are rare supraventricular tachyarrhythmias observed mainly in infants and children. This arrhythmia has a high mortality rate. We report the case of a 22-month-old infant in which the electrophysiological study disclosed an incessant junctional tachycardia originating from an automatic focus located in the His bundle region. Radiofrequency pulse delivery to the His bundle with controlled progressive heating of this region resulted in a definitive ablation of the ectopic focus without complications.
González-Torrecilla
Esteban
E
Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Madrid, Spain. etorrecilla@jet.es
Arenal
Angel
A
del Castillo
Silvia
S
Yotti
Raquel
R
Maroto
Carlos
C
Almendral
Jesús
J
D002036:Bundle of His / Q000002:abnormalities / Q000601:surgery; D017115:Catheter Ablation / Q000379:methods*; D006801:Humans; D007223:Infant; D008297:Male; D013613:Tachycardia, Ectopic Junctional / Q000601:surgery*; D016896:Treatment Outcome