Why the study?
What is the electrophysiological mechanism of atrioventricular reciprocal rhythm and chronic reciprocating tachycardia in a newborn infant?
What is the electrophysiological mechanism of atrioventricular reciprocal rhythm and chronic reciprocating tachycardia in a newborn infant?
Electrophysiological studies, specifically recording the sequence of atrial activation, can identify concealed Wolff-Parkinson-White syndrome as the cause of chronic reciprocating tachycardia in newborns.
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EP studies may identify concealed WPW in neonatal reciprocating tachycardia; single case leaves open broader applicability.
A case of atrioventricular reciprocal rhythm and chronic reciprocating tachycardia in a newborn infant is presented. Electrophysiological studies suggest that these rhythm disturbances are related to the presence of a right-sided atrioventricular accessory pathway capable only of retrograde conduction (concealed Wolff-Parkinson-White syndrome). The technique of recording the sequence of atrial activation during the tachycardia is described and its clinical importance emphasised.
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Sung et al. (1977) studied this question.
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