Unsuspected echocardiographic abnormality in the long QT syndrome. Diagnostic, prognostic, and pathogenetic implications

F. Nador, G. Beria, G. M. De Ferrari, M. Stramba-Badiale, E. H. Locati, A. Lotto, P. J. Schwartz

Research output: Contribution to journalArticle

Abstract

Background. The idiopathic long QT syndrome (LQTS) is characterized by electrocardiographic abnormalities and by a high incidence of lethal arrhythmias. The present case/control study demonstrates the frequent occurrence of unusual and specific ventricular wall motion abnormalities in LQTS and their association with history of syncope or cardiac arrest. These anomalies were present in 23 of 42 LQTS patients (55%) and in two of 42 healthy controls (5%, p

Original languageEnglish
Pages (from-to)1530-1542
Number of pages13
JournalCirculation
Volume84
Issue number4
Publication statusPublished - 1991

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Keywords

  • Right stellectomy
  • Sudden death
  • Sympathetic nervous system

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

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