The Wenckebach phenomenon between electric pacemaker and ventricle

Herman O. Klein, Elio Di Segni, Elieser Kaplinsky, Leo Schamroth

Research output: Contribution to journalArticlepeer-review

Abstract

Two cases which exhibited a Wenckebach form of exit conduction between an electrical pacemaker and the ventricular myocardium are presented. This manifests with increasing latency (stimulus to QRSintervals) and ultimate stimulus failure (block). The cycle then repeats itself. The QRS duration also increases progressively within each cycle. The phenomenon connotes an adverse prognosis. Several postulates regarding the mechanism are discussed.

Original languageEnglish
Pages (from-to)961-965
Number of pages5
JournalHeart
Volume38
Issue number9
DOIs
StatePublished - 1976

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