Why the study?
Does oral propranolol therapy prevent arrhythmias in infants with ventricular tachycardia?
Does oral propranolol therapy prevent arrhythmias in infants with ventricular tachycardia?
Ventricular tachycardia in infancy may be driven by a reentrant mechanism and can be effectively managed with oral propranolol.
Ventricular tachycardia is unusual in infancy. Three infants are described in whom this arrhythmia was documented by electrophysiologic studies. The ability to start and terminate this rhythm by critically timed premature ventricular stimulation suggests a reentrant mechanism. All three patients have remained free of arrhythmias on oral propranolol therapy.
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Gaum et al. (1980) studied this question.
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