Korean J Vet Res.
2015 Sep;55(3):209-211. 10.14405/kjvr.2015.55.3.209.
Hypertrophic cardiomyopathy secondary to severe right and left ventricular outflow tract obstruction in a Maltese dog
- Affiliations
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- 1Guardian Angel Animal Hospital, Anyang 431-081, Korea.
- 2Section of Small Animal Internal Medicine, College of Veterinary Medicine, Kangwon National University, Chuncheon 201-100, Korea. hyun5188@kangwon.ac.kr
- 3Department of Veterinary Pathology, College of Veterinary Medicine, Kangwon National University, Chuncheon 201-100, Korea.
- KMID: 2049858
- DOI: http://doi.org/10.14405/kjvr.2015.55.3.209
Abstract
- 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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