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KMID : 0359320030430020307
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Korean Journal of Veterinary Research
2003 Volume.43 No. 2 p.307 ~ p.310
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A Case of Atrial Septal Defect (ASD) in a Miniature Schunauzer Dog
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Park, Chul/박철
Choi, Chi-bong/Kim, Il-hwan/Park, Hee-myung/최치봉/김일환/박희명
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Abstract
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An atrial septal defect (ASD) is congenital heart disease with a communication between the atria, which allows blood to shunt from the atrium with pressure. A 3-month-old female Miniature Schunauzer was referred to the Veterinary Teaching Hospital of Konkuk University for the evaluation of systolic heart murmur.
At presentation, the mucous membrane was cyanotic. On physical examination, an ejection-type systolic murmur was auscultated at the pulmonic area. In addition, thoracic radiography showed enlargedment of main pulmonary artery and right atrial /ventricular enlargement. Echocardiography revealed dilated right artium and atrial septal defect. However, mitral and tricuspid valve were still intact and well tolerating. The presence of an ASD was confirmed by identifying flow across the defect with color Doppler imaging. Doppler echocardiography provides a means of non-invasive documentation and quantification of ASD. Complete blood count and serum chemistry were not remarkable. Although large defect was confirmed between the two atrium, the patient did not show any obvious clinical signs of heart failure at this time.
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