Successful radiofrequency catheter ablation of left ventricular tachycardia following surgical correction of tetralogy of Fallot |
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Authors: | Fukuhara H Nakamura Y Tasato H Tanihira Y Baba K Nakata Y |
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Affiliation: | Clinical Department of Pediatric Cardiology, Kinki University School of Medicine, Osaka, Japan. hitoo@yo.rim.or.jp |
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Abstract: | A 13-year-old boy had recurrent ventricular tachycardia following surgical correction of tetralogy of Fallot. Pharmacological management with multiple antiarrhythmic drugs failed, and the patient underwent electrophysiological evaluation. A reentrant tachycardia involving a slowly conducting region in the left ventricular outflow tract was demonstrated. We performed radiofrequency catheter ablation after identifying the essential components of the reentrant circuit. The ventricular tachycardia could no longer be induced and did not recur spontaneously during a 13-month follow-up. |
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Keywords: | isolated diastolic potential slow conduction tetralogy of Fallot |
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