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    Am J Cardiol. 2003 Sep 15;92(6):746-9.

    Syncope in children and adolescents and the congenital long QT syndrome.

    Khositseth A, Martinez MW, Driscoll DJ, Ackerman MJ.

    Department of Pediatric and Adolescent Medicine/Division of Pediatric Cardiology, Mayo Clinic and Foundation, Rochester, MN 55905, USA.

    From a population-based epidemiologic cohort of children and adolescents who sought medical attention for syncope (n = 151), screening 12-lead electrocardiograms were obtained from 118 patients (79 female) to determine the frequency of significant QT prolongation. The distribution of heart rate corrected QT intervals (QTc) was compared with age- and sex-matched controls. Only one patient had QTc >470 ms.

    PMID: 12972126 [PubMed - indexed for MEDLINE]

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