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KMID : 0359320150550030209
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Korean Journal of Veterinary Research
2015 Volume.55 No. 3 p.209 ~ p.211
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Hypertrophic cardiomyopathy secondary to severe right and left ventricular outflow tract obstruction in a Maltese dog
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Yoon Won-Kyoung
Suh Sang-IL
Oh Yeon-Su
Hyun Chang-Baig
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Abstract
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An 8-year-old spayed female Maltese (2.5 kg of body weight) presented with the primary complaint of loud heart murmur and exercise intolerance. Diagnostic imaging revealed severe pulmonic stenosis (peak velocity 5.2 m/ s) with right ventricular hypertrophy. The dog revisited after 2 years, at which time, diagnostic imaging revealed severe biventricular hypertrophy, dynamic left ventricular outflow tract obstruction, left atrial dilation and pulmonary hypertension with worsened pre-existing pulmonic stenosis. Postmortem investigation revealed hypertrophic cardiomyopathy and regional myocardial infarction. The case was diagnosed as hypertrophic cardiomyopathy secondary to severe right and left ventricular outflow tract obstruction.
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KEYWORD
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dog, dynamic obstruction, hypertrophic cardiomyopathy, pulmonic stenosis, ventricular outflow tract obstruction
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