Aparente amenaza para la vida por el síndrome de QT prolongado

Se presenta el caso de un lactante con un episodio de perdida de conocimiento, en quien se diagnostico fibrilacion ventricular. Se realizo desfibrilacion externa con exito, permitiendo luego arribar al diagnostico etiologico de sindrome de QT prolongado, constituyendo un ejemplo documentado de esta entidad como causa del sindrome de muerte subita del lactante. We report the case of an infant with an episode of loss of consciousness, in whom ventricular fibrillation was diagnosed. He was successfully defibrillated and long QT syndrome was diagnosed as his baseline disease. This case constitutes a documented example of this entity as a cause of the sudden infant death syndrome.