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Fetus with long QT syndrome manifested by tachyarrhythmia: a case report
Author(s) -
Ohkuchi Akihide,
Shiraishi Hirohiko,
Minakami Hisanori,
Eguchi Yukari,
Izumi Akio,
Sato Ikuo
Publication year - 1999
Publication title -
prenatal diagnosis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.956
H-Index - 97
eISSN - 1097-0223
pISSN - 0197-3851
DOI - 10.1002/(sici)1097-0223(199910)19:10<990::aid-pd679>3.0.co;2-#
Subject(s) - medicine , long qt syndrome , fetus , pediatrics , cardiology , pregnancy , qt interval , biology , genetics
We encountered a fetus who exhibited transient (at most 30 s), repeated episodes of tachyarrhythmia (240 bpm). This female neonate was born at 36 weeks of gestation and showed a markedly prolonged QT interval and transient, repeated episodes of polymorphic ventricular tachycardia. Congenital long QT syndrome was diagnosed. Retrospective analysis of the videotape showing fetal cardiac movement revealed that atrio‐ventricular dissociation was present prenatally and thus, the fetal tachyarrhythmia was due to ventricular tachycardia. To our knowledge, there are few reports of a fetus with the long QT syndrome who exhibited ventricular tachycardia in utero . In the presence of unexplained fetal tachyarrhythmia, long QT syndrome should be considered as a possible underlying cause disorder. The presence of atrio‐ventricular dissociation may be useful in prenatal diagnosis of long QT syndrome. Copyright © 1999 John Wiley & Sons, Ltd.