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Radiofrequency Catheter Ablation of Idiopathic Left Ventricular Tachycardia in a Child

以電氣燒灼術治療兒童之左心室頻脈:一病例報告

摘要


利用電氣燒灼術治療發生在心臟生理結構功能正常兒童的左心室頻脈相當少見。我們報告一例九歲大的男孩,其臨床上經常出現心悸及昏厥現象;而心電圖顯示心室頻脈合併右束支傳導陰滯及心軸向左偏移。吾人利用電氣燒灼術成功移除位於心室中膈下緣的病灶。病童出院後追踨兩年,心臟功能正常且無心室頻脈再發作的問題。

關鍵字

心室頻脈 電氣燒灼術 兒童

並列摘要


Ventricular tachycardia occurring in apparently normal heart is rare in children. A 9-year-old boy presented with recurrent palpitations and syncope was found to have idiopathic ventricular tachycardia with a right bundle branch block morphology and left axis deviation. Pace mapping and activation mapping were used to localize the site of ventricular tachycardia origin. Radiofrequency catheter ablation successfully abolished this arrhythmia at a site of the midportion of the inferoseptal region of the left ventricle. This boy was free of tachycardia over follow-up of 2 years.

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