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1 June 2017 ECHOCARDIOGRAPHIC FINDINGS OF BIDIMENSIONAL MODE, M-MODE, AND DOPPLER OF CLINICALLY NORMAL BLACK-RUMPED AGOUTI (DASYPROCTA PRYMNOLOPHA, WAGLER 1831)
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Abstract

The black-rumped agouti (Dasyprocta prymnolopha, Wagler 1831) is currently under intense ecologic pressure, which has resulted in its disappearance from some regions of Brazil. Echocardiography is widely used in veterinary medicine but it is not yet part of the clinical routine for wild animals. The objective of the present study was to assess the applicability of the echocardiographic exam in nonanesthetized agouti and to establish normal reference values for echocardiographic measurements in bidimensional mode (2D), M-mode, and Doppler for this species, and a lead II electrocardiogram was simultaneously recorded. Twenty agouti were used in this study. All the echocardiographic measurements were positively correlated with weight (P < 0.05), and there were no significant differences between sexes (P > 0.05). Blood flow velocities in the pulmonary and aortic artery ranged from 67.32–71.28 cm/sec and 79.22–101.84 cm/sec, respectively. The isovolumic relaxation time was assessed in all the animals and ranged from 38.5 to 56.6 ms. The maximum value for the nonfused E and A waves and the Et and At waves was 158 beats/min for both. The results obtained for the morphologic and heart hemodynamic measurements can guide future studies and help in the clinical management of these animals in captivity.

Copyright 2017 by American Association of Zoo Veterinarians
Anaemilia das Neves Diniz, Gerson Tavares Pessoa, Laecio da Silva Moura, André Braga de Sousa, Francisco das Chagas Araújo Sousa, Renan Paraguassu de Sá Rodrigues, Maria Angélica Parente da Silva Barbosa, Hatawa Melo de Almeida, Larisse Danielle Silva Freire, and Marina Pinto Sanches "ECHOCARDIOGRAPHIC FINDINGS OF BIDIMENSIONAL MODE, M-MODE, AND DOPPLER OF CLINICALLY NORMAL BLACK-RUMPED AGOUTI (DASYPROCTA PRYMNOLOPHA, WAGLER 1831)," Journal of Zoo and Wildlife Medicine 48(2), 287-293, (1 June 2017). https://doi.org/10.1638/20160013R3.1
Accepted: 2 February 2017; Published: 1 June 2017
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