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

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 journal › Article › peer-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 language	English
Pages (from-to)	1065-1074
Number of pages	10
Journal	European Heart Journal
Volume	8
Issue number	7
Publication status	Published - 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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