Year: 2019 | Month: April | Volume 9 | Issue 2

M-mode Echocardiographic Studies in Indigenous Dog Breeds of Tamil Nadu

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M-mode echocardiography is a non- invasive tool for the quantitative study of heart. Rajapalayam is a guard dog and Chippiparai is a sight hound breed which both originated from the southern districts of Tamil Nadu, India. Diagnosis of cardiac diseases in our indigenous breeds has been challenging due to less or no work done regarding cardiac anatomy and physiology in native breeds. Hence, this study was undertaken to establish basic reference data in these indigenous dog breeds which will help in diagnosing cardiac diseases. Various normal cardiac parameters were documented between young and adult age groups. The results indicated that a high significant difference (P<0.01) was observed in LVDd and LVDs and only a significant difference (P<0.05) in AO and RVD values between the age groups in Rajapalayam dogs,whereas, in Chippparai dogs, a significant difference was observed in CO (P<0.05) and in LVPWs, IVSd, IVSd (P<0.0) between the young and adult age groups.

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