Ventricular Fibrillation Occurring on Arousal from Sleep by Auditory Stimuli

Author:

WELLENS HEIN J. J.1,VERMEULEN AART1,DURRER DIRK1

Affiliation:

1. From the Department of Cardiology and Clinical Physiology, University of Amsterdam, The Netherlands.

Abstract

A patient is described having syncopal attacks on being awakened from sleep by auditory stimuli. The electrocardiogram registered during these episodes showed Q-T-segment changes followed by ectopic ventricular activity and spontaneously ending attacks of ventricular fibrillation. Aside from the attacks, her ECG only showed abnormalities of the S-T segment with marked U waves. Hemodynamic and electrophysiologic studies showed no abnormalities. Coronary angiograms were normal. Following therapy with propranolol and diphenylhydantoin she has been free from syncopal episodes for the past 11 months. The mechanism responsible for the Q-T-segment changes and ventricular tachyarrhythmias is not understood.

Publisher

Ovid Technologies (Wolters Kluwer Health)

Subject

Physiology (medical),Cardiology and Cardiovascular Medicine

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3. Aritmie cardiache rare dell'etia pediatrica: II. Accesi sincopali per fibrillazione ventriculare parossistica (presentazione del primo caso della letteratura pediatrica italiana);Clin Pediat (Bologna),1963

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5. Congenital cardiac arrhythmia;Lancet,1964

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