Torsades de pointes following radiofrequency catheter His ablation

A case of polymorphic ventricular tachycardia torsade de pointes type, appearing in a 70-year-old female following radiofrequency catheter His ablation, is presented. The substrate was slow rate with ventricular bigeminy and QT prolongation which appeared after ablation. The same phenomenon reappear...

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Veröffentlicht in:	International journal of cardiology 1996-12, Vol.57 (2), p.177-179
Hauptverfasser:	Kappos, Kostas G., Kranidis, Athanasios J., Anthopoulos, Lambros P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ablation Ablation complications Aged Biological and medical sciences Bundle of His - surgery Catheter Ablation - adverse effects Diseases of the cardiovascular system Electrocardiography Female His ablation Humans Medical sciences Pacemaker, Artificial - adverse effects Radiotherapy. Instrumental treatment. Physiotherapy. Reeducation. Rehabilitation, orthophony, crenotherapy. Diet therapy and various other treatments (general aspects) Tachycardia - diagnosis Tachycardia - physiopathology Tachycardia - surgery Torsade de pointes Torsades de Pointes - etiology
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Zusammenfassung:	A case of polymorphic ventricular tachycardia torsade de pointes type, appearing in a 70-year-old female following radiofrequency catheter His ablation, is presented. The substrate was slow rate with ventricular bigeminy and QT prolongation which appeared after ablation. The same phenomenon reappeared after permanent VVIR pacemaker implantation with a basal rate of 55 beats/min. One episode of polymorphic ventricular tachycardia deteriorated into ventricular fibrillation, requiring a 360-J DC shock. Raising the pacemaker rate to 80 beats/min abolished the arrhythmias.
ISSN:	0167-5273 1874-1754
DOI:	10.1016/S0167-5273(96)02821-5