Congenital complete heart block and long Q-T syndrome requiring ventricular pacing for control of refractory ventricular tachycardia and fibrillation

Joseph A. Gascho, Richard Schieken

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

A three-year-old girl with congenital complete heart block presented with repeated bouts of ventricular tachycardia and ventricular fibrillation. The ECG was remarkable for both complete heart block and a long Q-T interval, when corrected for rate. The Q-T interval was longer than the Q-T interval of children with congenital complete heart block and of children without heart disease. Overdrive ventricular pacing was necessary to control the arrhythmias. A prolonged Q-T interval in patients with complete heart block, even in the presence of a normal QRS duration, may predispose the patient to sudden death. Permanent pacing can suppress these arrhythmias by overdriving.

Original languageEnglish (US)
Pages (from-to)331-335
Number of pages5
JournalJournal of Electrocardiology
Volume12
Issue number3
DOIs
StatePublished - 1979

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Heart Block
Ventricular Fibrillation
Ventricular Tachycardia
Cardiac Arrhythmias
Sudden Death
Heart Diseases
Electrocardiography
Congenital heart block

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

Cite this

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AB - A three-year-old girl with congenital complete heart block presented with repeated bouts of ventricular tachycardia and ventricular fibrillation. The ECG was remarkable for both complete heart block and a long Q-T interval, when corrected for rate. The Q-T interval was longer than the Q-T interval of children with congenital complete heart block and of children without heart disease. Overdrive ventricular pacing was necessary to control the arrhythmias. A prolonged Q-T interval in patients with complete heart block, even in the presence of a normal QRS duration, may predispose the patient to sudden death. Permanent pacing can suppress these arrhythmias by overdriving.

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