Effects of sympathetic activation on ventricular ectopic beats in subjects with and without evidence of organic heart disease

F. Lombardi, G. Malfatto, A. Belloni, M. Garimoldi

Research output: Contribution to journalArticlepeer-review

Abstract

In a selected group of 10 apparently healthy subjects and 22 patients with organic heart disease, all with frequent ventricular ectopic beats on Holter monitoring, we assessed the influence of sympathetic activation by comparing the arrhythmogenic effects of a symptom-limited bicycle exercise stress test and 90° head up tilt. Tilting reduced ventricular arrhythmias in the normal subjects (-48±18% from 9±2 beats min -1, P-1, P

Original languageEnglish
Pages (from-to)1065-1074
Number of pages10
JournalEuropean Heart Journal
Volume8
Issue number7
Publication statusPublished - Jul 1987

Keywords

  • Exercise induced arrhythmias
  • Sympathetic nervous system
  • Tilting

ASJC Scopus subject areas

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Physiology (medical)
  • Physiology
  • Cardiology and Cardiovascular Medicine

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