Peer-reviewed veterinary case report
Young dog with heart tumor causing severe slow heart rhythm
By Gallay, Julie et al.·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2011·Department of Clinical Sciences, Canada·View original on PubMed →
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Original publication title: Cardiac leiomyoma associated with advanced atrioventricular block in a young dog.
- Species:
- dog
Plain-English summary
A 1-year-old female Labrador retriever was brought in after experiencing fainting spells due to a slow heart rate. The veterinarian found that she had advanced atrioventricular block, a serious heart condition. An ultrasound of her heart revealed a mass affecting the heart's structure, which was later confirmed to be a cardiac leiomyoma (a type of tumor in the heart). This case is notable as it is the first report of this specific tumor in dogs. Unfortunately, the abstract does not provide information on treatment or outcome.
People also search for: dog fainting spells · Labrador heart problems · cardiac tumor in dogs · advanced atrioventricular block treatment
Abstract
A 1 year old intact female Labrador retriever dog presented for evaluation of syncope caused by severe bradycardia. Advanced atrioventricular block was diagnosed. A mass infiltrating the interventricular septum and the tricuspid annulus was identified with echocardiography. Histopathological evaluation of the mass was consistent with cardiac leiomyoma, and immunohistochemical staining for smooth muscle actin confirmed the diagnosis. To the authors' knowledge, this is the first report of cardiac leiomyoma in the canine species.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/21303738/