Double artificial ventricular parasystole: Iatrogenic arrhythmia for ihe study of excitability and conductivity in the human heart

A. Castellanos, L. Lemberg, A. Gosselin

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Studies of various forms of double artificial ventricular parasystole were presented chiefly to indicate their usefulness in obtaining fundamental information in cardiac electrophysiology. Ventricular excitability was studied either by the Simultaneous use of an implanted and transvenous pacemaker, or through a single bipolar catheter connected to two artificial pacemakers. The undesirable changes in rate which occur with other techniques, where an independent sino-atrial pacemaker co-exists with an artificial parasystole are avoided. Repetitive firing of single impulses falling al the beginning of the relative refractory period was noted in one case. Intraventricular conduction time was analysed using three methods. There was close agreement in the results obtained in all three.

Original languageEnglish (US)
Pages (from-to)273-284
Number of pages12
JournalCardiology (Switzerland)
Volume47
Issue number5
DOIs
StatePublished - Jan 1 1965

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Pharmacology (medical)

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