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Purpose : The object of this study is to determine whether QT interval variability in patients with postoperative tetralogy of Fallot increases.
Methods : We enrolled 41 patients who had total correction of tetralogy of Fallot, and 31 healthy controls. They were 6-12 years old. Patients were divided into 2 groups : arrhythmia-positive patients(n=10) who had ventricular premature contractions more than... |