CLINICAL STUDIES ON CANINE ARRHYTHMIAS
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Date
2012
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Rajasthan University of Veterinary and Animal Sciences, Bikaner - 334001
Abstract
The present study was conducted to diagnose and classify arrhythmias employing electrocardiogram; to study prevalence and occurrence; to study haemato – biochemical changes; to study the cardiac silhouette employing radiograph. The overall prevalence rate and occurrence of arrhythmia in dogs was 10.67% (96/900) and 64% (96/150), respectively. Labrador, Pomeranian, nondescript and German shepherd dogs predominated the scene with higher frequency of arrhythmia in male dogs. Age group of more than 6 year old had high frequency of arrhythmia. On the basis of electrocardiographic features 14 types of arrhythmias were diagnosed as sinus tachycardia (58.33%), sinus arrhythmia (10.41%), bradycardia (2.08%), wandering pacemaker (5.21%), atrial tachycardia (3.13%), atrial premature complex (3.13%), atrial fibrillation (5.21%), AV junctional escape rhythm (1.04%), ventricular premature complex (1.04%), ventricular tachycardia (1.04%), sinus block (3.13)%, silent atrium (2.08%), 1st degree AV block (3.13%) and 2nd degree AV block (1.04%). Weakness, depression, exercise intolerance, lethargy, syncope, dullness, easy exertion and posterior weakness were predominant Clinical signs of arrhythmic dogs and were not specific and pathognomonic. Increased hemoglobin level and packed cell volume were recorded in arrhythmias of serious and fatal nature. Potassium was increased in bradycardia and reduced in tachycardiac dogs. Blood urea was high in sinus tachycardia, atrial arrhythmia and bradycardia. Blood glucose level was higher in tachycardia and lower bradycardia. Total serum protein was decreased in tachycardia and atrial arrhythmias; and increased in bradycardia. Low level of Serum cholesterol and triglyceride were observed in dogs with tachycardia, atrial arrhythmia and bradycardia. Values of AST, ALT and LDH were higher and CK was lower in tachycardia, atrial arrhythmia and bradycardia.
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diseases, enzymes, sexual reproduction, organic compounds, biological phenomena, fruits, breeds (animals), byproducts, sampling, potassium