Avaliação eletrocardiográfica em felinos domésticos destinados a gonadectomia eletiva

Detalhes bibliográficos
Ano de defesa: 2018
Autor(a) principal: SANTOS, Breno Menezes dos lattes
Orientador(a): OLIVEIRA, Marcos Antonio Lemos de
Banca de defesa: OLIVEIRA, Marcos Antonio de Lemos, LIMA, Evilda Rodrigues de, FERRI, Rinaldo Cavalcante
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Federal Rural de Pernambuco
Programa de Pós-Graduação: Programa de Pós-Graduação em Ciência Veterinária
Departamento: Departamento de Medicina Veterinária
País: Brasil
Palavras-chave em Português:
Área do conhecimento CNPq:
Link de acesso: http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/7513
Resumo: The electrocardiogram (ECG) is a sensitive and specific technique for the identification and classification of cardiac arrhythmias. In addition, the ECG may also suggest increased cardiac chambers, rhythm monitoring during surgeries and chemical restraint, diagnostic aid for structural heart disease, electrolyte disturbances, metabolic diseases, and pericardial effusion. Although it is a diagnostic technique already established in the veterinary routine, it is necessary studies that characterize some of its variables, in view of the scarcity of scientific material addressing this subject specifically in felines of company. In this context, the present study aimed to evaluate the electrocardiogram and to standardize the precordial leads in domestic cats for elective gonadectomy. Eighty healthy and adult animals with surgical indication for elective gonadectomy, from the clinical care routine performed at University Veterinary Hospital -UAG (UFRPE), were evaluated. The electrocardiogram was performed using the computerized method, with standardized equipment at sensitivity 1cm = 1mv and velocity of 50mm / s. The results obtained expressed as mean and standard deviation were HR: 194.20 ± 31.48 (bpm); P wave: 0.04 ± 0.00 (s) X 0.11 ± 0.03 (mV); PR interval: 0.07 ± 0.01 (s); QRS complex: 0.04 ± 0.00 (s) X 0.34 ± 0.21 (mV); QT interval: 0.16 ± 0.02 (s); T wave 0.14 ± 0.07 (mV); R wave (rV2): 0.17 ± 0.10 (mV); S wave (rV2): 0.12 ± 0.10 (mV); R wave (V2): 0.30 ± 0.21 (mV); S wave (V2): 0.10 ± 0.11 (mV); R wave (V4): 0.22 ± 0.21 (mV); S wave (V4): 0.03 ± 0.07 (mV); RC: sinus rhythm (92.5%), ST segment: isoelectric (92.5%), electric axis: 91.5% (within normal range); polarity of the T wave (rV2): positive (82.5%), polarity of the T wave (V2): positive (95%); polarity of the T wave (V4): positive (93.7%), polarity of the T wave (V10): negative (87.5%). It was verified that the electrocardiographic changes present in the preoperative examination of healthy cats present a significant frequency and that the majority of the evaluated animals present positive T-wave polarity in the pre-cordial leads rV2, V2 and V4, and negative in V10. It was also concluded that all animals evaluated had R-waves smaller than 0.5 mV in the rV2 lead, and S-waves smaller than 0.5 mV in leads rV2, V2 and V4, raising a probable hypothesis that said waves in these leads should be less than this value in domestic felines.