The R-on-T phenomenon during supraventricular tachycardia in childhood

Ruey J. Sung, Henry Gelband, Robert J. Myerburg, Agustin Castellanos, Dolores M. Tamer

Research output: Contribution to journalArticlepeer-review


The electrocardiographic R-on-T phenomenon was observed in the absence of Wolff-Parkinson-White syndrome during recurrent episodes of supraventricular tachycardia (SVT) with rates between 240 to 275 per minute in a 5 year old boy. The rapid ventricular response during SVT corroborates the recent finding of a short refractory period of the A-V node in children. The demonstration of the R-on-T phenomenon in this child may be important in attempting to understand the pathogenesis of sudden death in children.

Original languageEnglish
Pages (from-to)171-174
Number of pages4
JournalJournal of Electrocardiology
Issue number2
StatePublished - Jan 1 1976
Externally publishedYes

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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