Abstract

DITOLLO, B. et al. Dynamic electrocardiography (holter): A retrospective study. InVet [online]. 2006, vol.8, n.1, pp.31-40. ISSN 1668-3498.

The authors present the results of a retrospective comparison between the conventional electrocardiogram and the dynamic electrocardiogram (Holter) diagnoses of 143 dogs affected by different cardiovascular diseases. In six cases the comparison was utilized to verify the result of the therapeutic measures. The coincidence between the diagnosis obtained with the conventional electrocardiogram and dynamic electrocardiography of 137 cases was of 26, 54% (32 cases against 105). If the results are analyzed in function of the original diagnosis, of the 61 conventional electrocardiograms considered normal only 12 (19,4%) coincided with the diagnosis of the dynamic studies, while the remains 49 (79,03%) showed the presence of some cardiac arrhythmia. Of the 75 conventional electrocardiograms that showed the presence of arrhythmias, 20 (26,67%) have a similar diagnosis, while the remains dynamic studies (55 - 73,33%) presented different diagnoses. On the basis of the data presented can be concluded that the ambulatory electrocardiograph or «cardiac Holter» is a strictly necessary and highly dependable technique to obtain adequate diagnoses and more adjusted prognostics to the reality of each patient in view of the disparities found regarding the diagnosis obtained through the conventional electrocardiogram and the dynamic technique.

Keywords : Holter; Dynamic electrocardiogram; Ambulatory electrocardiogram.

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