Dilated cardiomyopathy masquerading as long QT syndrome.

Abstract:

:Atrioventricular block has been described in association with cases of long QT syndrome and mortality is increased in this subgroup. We describe an infant with congenital QT prolongation and atrioventricular block with normal cardiac function, leading to the initial diagnosis of long QT syndrome. She subsequently developed dilated cardiomyopathy requiring cardiac transplantation. We postulate that the presenting electrocardiograph abnormalities were early manifestations of the myocardial disease, preceding the development of myocardial dysfunction by several months. The need for heightened surveillance in cases of QT prolongation with atrioventricular block is amplified by the possibility of an evolving cardiomyopathy.

journal_name

Pediatr Cardiol

journal_title

Pediatric cardiology

authors

Walls J,Dipchand A,Sanatani S

doi

10.1007/s00246-005-1114-1

subject

Has Abstract

pub_date

2006-01-01 00:00:00

pages

156-159

issue

1

eissn

0172-0643

issn

1432-1971

pii

10.1007/s00246-005-1114-1

journal_volume

27

pub_type

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