Catecholaminergic polymorphic ventricular tachycardia. An important diagnosis in children with syncope and normal heart

Syncope in children is primarily related to vagal hyperreactivity, but ventricular tachycardia (VT) way rarely be seen. Catecholaminergic polymorphic VT is a rare entity that can occur in children without heart disease and with a normal QT interval, which may cause syncope and sudden cardiac death. In this report, we describe the clinical features, treatment, and clinical follow-up of three children with syncope associated with physical effort or emotion and cathecolaminergic polymorphic VT. Symptoms were controlled with beta-blockers, but one patient died suddenly in the fourth year of follow-up. Despite the rare occurrence, catecholaminergic polymorphic VT is an important cause of syncope and sudden death in children with no identified heart disease and normal QT interval.

Détails bibliographiques

Auteurs principaux:	Leite,Luiz Roberto, Pereira,Kleber R. Ponzi, Alessi,Sílvio R. B., Paola,Angelo A. V. de
Format:	Digital revista
Langue:	English
Publié:	Sociedade Brasileira de Cardiologia - SBC 2001
Accès en ligne:	http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2001000100007
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