Resumo

CABRERA ORTEGA, Michel  e  OZORES SUAREZ, Francisco Javier. Syndrome of long Q-T interval. Rev Cubana Pediatr [online]. 2011, vol.83, n.2, pp. 188-192. ISSN 1561-3119.

The syndrome of congenital long Q-T interval (Q-T-i) of Romano-Ward type is an uncommon arrthymic channel disease, characterized by a severe alteration in ventricular repolarization and translated in the electrocardiogram by a lengthening of QTc interval. This is the case of a female patient presenting with type 1 congenital long Q-T, asymptomatic, with family history of sudden death and syndrome of long Q-T; an echocardiography study, ergometer test, late potentials detection and Q-T dispersion as diagnostic complements and risk stratification. Drug therapy was prescribed and several weeks later its effectiveness was assessed.

Palavras-chave : Long Q-T syndrome; arrhythmic channel disease; endurance test; β-receptor blockers.

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