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  • Title: Catecholaminergic polymorphic ventricular tachycardia in a child: a case report.
    Author: Garabedian L, Verryckt A, Panzer J, De Wolf D.
    Journal: Acta Paediatr; 2008 Jan; 97(1):127-9. PubMed ID: 18052993.
    Abstract:
    UNLABELLED: Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare arrythmogenic disease characterized by exercise--or stress--induced ventricular tachyarrythmias, syncope, or sudden death, usually in the pediatric age group. Familial occurrence has been noted in about 30% of cases. Inheritance may be autosomal dominant or recessive, usually with high penetrance. The causative genes have been mapped to chromosome 1. Mutations of the cardiac ryanodine receptor gene (RyR2) have been identified in autosomal dominant pedigrees, while calsequestrin gene (CASQ2) mutations are seen in recessive cases. CONCLUSION: Due to its potential lethal outcome, exclusion or confirmation of catecholaminergic polymorphic ventricular tachycardia in children with physical and emotional syncope is mandatory. We report a case of catecholaminergic polymorphic ventricular tachycardia in a three-year-old child only diagnosed by genetic mapping.
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