High resolution electrocardiography avaliation in clinically healthy dogs

  • Wagner Luis Ferreira Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinária, Departamento de Clínica e Cirurgia Veterinária, Jaboticabal, SP
  • Fernanda Gosuen Gonçalves Dias Universidade de Franca, Faculdade de Medicina Veterinária, Franca, SP
  • Aparecido Antonio Camacho Universidade Estadual Paulista, Faculdade de Ciências Agrárias e Veterinária, Departamento de Clínica e Cirurgia Veterinária, Jaboticabal, SP
Keywords: High resolution electrocardiography, Late potentials, Dogs

Abstract

The aim of this study was to describe the technique and results of high resolution electrocardiography (ECGAR) in clinically healthy dogs. During this research, 32 adult crossed-breed, dogs from both sexes were used, which were divided in four groups accordingly to their mean body weight. The animals were submitted to high resolution electrocardiography in time domain. It was verified that the duration of QRS complex was smaller in the group of dogs with lower body weight when compared to the group of animals weighing over 21 kilograms. Moreover, the duration of the low amplitude signals of the last 40 ms of the QRS complex (LAS 40) did not show significant differences among groups. Also no significant difference was seen among groups in relation to the mean squared root of the squared voltage of the last 40 ms of the QRS complex (RMS 40). These results, once tabled, could contribute for standardization of the reference values for canine ECGAR. Furthermore, these values could serve as foundation for other researches with dogs in risk of development of sustained ventricular arrhythmias and sudden death, through the detection of the so called late potentials.

Downloads

Download data is not yet available.
Published
2005-08-01
How to Cite
Ferreira, W., Dias, F., & Camacho, A. (2005). High resolution electrocardiography avaliation in clinically healthy dogs. Brazilian Journal of Veterinary Research and Animal Science, 42(4), 271-275. https://doi.org/10.11606/issn.1678-4456.bjvras.2005.26421
Section
UNDEFINIED