Article historyComputerized electrocardiography is a method widely used in veterinary medicine in several species and currently, with the availability of several devices in the market. In sheep, studies have shown variations in electrocardiographic values according to race, age, and methods of capture, but the values obtained in different computerized devices have not been compared. Thus, the present study sought to determine and compare the values of electrocardiographic variables between two computerized devices in healthy sheep. Fifty sheep (n = 50), Suffolk breed, female, launched, adult, nonpregnant, with average age and weight of two years and 50kg, respectively, were studied properly selected and clinically fit. The electrocardiographic tracings were obtained in two computerized electrocardiography devices (Apparatus A and B) individually and subsequently, with subsequent recording and interpretation of the tracings. The results showed a predominance of sinus rhythm in 78% (n = 39) and 22% (n = 11) with sinus arrhythmia in both devices. Significant differences among the devices (p <0.05) were identified in the duration variables (ms), such as P wave, P-R interval and segment, QRS complex, Q-T interval, S-T segment and T wave; and in the P-wave and R-wave amplitudes (mV). However, the values obtained were within the normal ranges recommended for the species, regardless of the capture method used. Thus, it is possible to conclude the presence of different values among the computerized electrocardiographs, suggesting variations in the tracking uptake sensitivity among the devices in released Suffolk sheep.
A Síndrome Cardiorrenal (SCR) do tipo II é reconhecida por anormalidades crônicas da função cardíaca que promove lesão e disfunção renal. Nessa revisão de literatura será discutida a compreensão atual, mecanismos fisiopatológicos, aspectos etiológicos e clínicos, bem como a adequação terapêutica de cães e gatos acometidos pela síndrome cardiorrenal do tipo II. Devido à complexidade da síndrome, refletir sobre os diversos mecanismos fisiopatológicos torna-se essencial na continuidade de pesquisas em cães e gatos relacionadas ao diagnóstico precoce e, principalmente, pontos importantes a serem enfatizados no tratamento, com o intuito de obter melhores resultados na terapia de pacientes cardiorrenais.
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