HEMODYNAMIC CONSEQUENCES OF TRANSESOPHAGEAL CARDIAC PACING.

Chris Jensen, John K.J. Li

Research output: Contribution to conferencePaperpeer-review

Abstract

Esophageal placing has been demonstrated to be useful for terminating arrhythmias, but its hemodynamic effect has not been examined. To investigate this, experiments were performed on open-chest anesthetized dogs. Electrocardiogram, P-wave, muscle segment length, left ventricular and aortic flow were simultaneously recorded. An esophageal bipolar electrode catheter with 5-cm electrode spacing was inserted and advanced to the immediate vicinity of the heart. Results show that successful capture is dependent on the optimal selection of pulse amplitude and width from the established strength-duration curve. Under this circumstance, esophageal cardiac pacing does not induce detrimental hemodynamic consequences.

Original languageEnglish (US)
Pages271-272
Number of pages2
StatePublished - 1987

All Science Journal Classification (ASJC) codes

  • Bioengineering

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