Why the study?
What are the electrocardiographic findings in dairy cows with endocarditis?
What are the electrocardiographic findings in dairy cows with endocarditis?
Electrocardiographic findings in bovine endocarditis, such as sinus tachycardia and right axis deviation, are not specific enough to be diagnostic.
ECG findings lack diagnostic specificity in bovine endocarditis; leaves open whether prospective studies can identify reliable ECG criteria in cattle.
Surface limb lead electrocardiograms were recorded in four cases of endocarditis in dairy cows in which the clinical diagnosis was suggested by echocardiography, then later confirmed at necropsy. The electrocardiographic findings common to all cases were sinus tachycardia, right axis deviation (between -178 and -137 degrees); and a QRS complex of a QS variety, with an averae amplitude of -0.7 mV and a mean duration of 0.06 second in lead II. These findings were not diagnostic of endocarditis.
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Lacuata et al. (1980) studied this question.
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