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Standard electrocardiographic data of peccaries (Tayassu tajacu)

Souza, André Braga de; Rodrigues, Renan Paraguassu de Sá; Pessoa, Gerson Tavares; Silva, Andrezza Braga Soares da; Moura, Laecio da Silva; Sousa, Francisco das Chagas Araújo; Macedo, Kássio Vieira; Alves, Flávio Ribeiro.
Acta Sci. vet.; 48: Pub. 1722, Mar. 30, 2020. ilus, tab
Artigo em Inglês | VETINDEX | ID: vti-25423

Resumo

Background: Peccaries (Tayassu tajacu, Linnaeus, 1758) are wild suiformes that belong to the Tayassuidae family. Electrocardiography is an important technique for cardiovascular evaluation. Analysis of various intervals, segments, complexesand waveforms of electrocardiographic (ECG) traces aids in the diagnosis of cardiac alterations and in the differentiationof congenital and acquired heart diseases from physiological cases. However, in wild animal medicine, the various patternsof normality and the evaluation of electrical traces associated with heart disease have not yet been sufficiently elucidated.The purpose of this study was to characterize the electrocardiographic (ECG) traces of peccaries sedated using ketamineand xylazine.Materials, Methods & Results: Fourteen healthy adult animals that were subjected to digital ECG examination wereused. Animals with evidence of systemic diseases, cardiovascular abnormalities (murmurs or arrhythmias), or any degreeof valve insufficiency observed on echocardiogram and animals that exhibited excessive stress during the examinationwere excluded from the study. All animals presented with a normal sinus rhythm. A combination of 15 mg/kg of ketaminehydrochloride and 3 mg/kg of midazolam maleate was applied intramuscularly for chemical immobilization. The animalswere manipulated after 15 min, when the onset of the anaesthetic effect was verified, for a duration of 45 min, and noreinforcement dose was necessary to complete the electrocardiographic examination. No significant differences wereobserved in the P-wave duration, PR interval and QT interval between genders (P > 0.05). No significant differences werefound between the amplitudes of the P and R waves between males and females (P > 0.05). The observed P waves weresmall, monophasic and positive. The QRS complex was positive in the DI, DII, DIII, aVF, V4 and V10 derivations andnegative in the aVR, aVL, V1 and V2 derivations...(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1