Effects of verapamil on postextrasystolic potentiation

A. N. Mooss, D. E. Hilleman, J. Rysavy, M. H. Sketch

Research output: Contribution to journalArticlepeer-review


To assess the effects of verapamil on postextrasystolic potentiation (PESP), contrast left ventriculography was performed in ten healthy anesthetized dogs before and after the intravenous administration of verapamil, 0.1 mg/kg. During the contrast ventriculography, a single atrial premature stimulus was introduced. Ejection fractions of a control beat and postpremature beat were measured before and after verapamil. Before verapamil, the mean ejection fractions of the control beat and the postpremature beat were 60±10 percent and 67±10 percent, respectively (p

Original languageEnglish (US)
Pages (from-to)1438-1441
Number of pages4
Issue number5
StatePublished - 1992

All Science Journal Classification (ASJC) codes

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine
  • Cardiology and Cardiovascular Medicine


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