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Revista de Salud Animal
On-line version ISSN 2224-4700
Abstract
CAMEJO-ZAMORA, Maikel; POMPA-NUNEZ, Alberto; VAZQUEZ-ALFONSO, Yasser and MORALES-CASTILLO, Yoel. Electrocardiographic parameters of equine stallions in three monopolar derivations. Rev Salud Anim. [online]. 2017, vol.39, n.1, pp. 19-27. ISSN 2224-4700.
This research is aimed at determining the polarity, amplitude, duration, and vectorial position of each graph element of the electrocardiogram in equine stallions. It was carried out in the farm “Rancho Domingo García Frías” located in the southern part of Habana and Mayabeque provinces. The information regarding the nine animals researched was obtained from their respective medical histories, and the health conditions were evaluated before carrying out the electrocardiographic records. The three monopolar leads used were distributed themselves in different angles in relation to the position of the heart. The exploring electrodes used were those corresponding to V1c, V5c and V6. The duration values obtained for the segments PQ, ST and TP were 0.16, 0.23 and 0.73 s and intervals PQ, ST, QT and TQ, of 0.21, 0.23, 0.24 and 0.20 s, respectively. The space position calculation of the integral electric vector (IEV) of the cardiac ventricular activity showed that the values of the angles reached in the equine by the wave R oscillated in αx= 960 ± 4.70, αy= 560 ± 9.60 and αz= 380 ± 70, having their position in the second upper left quadrant in the cephalic direction. The possible variations in the results are due to the fact that when the test was performed, the stallions were not treated with any sedative; therefore they presented anxiety and stress stages, typical of the manipulation
Keywords : monopolar derivations; exploring electrodes; electrocardiogram.