Peer-reviewed veterinary case report
Fixed heart valve blockage in a 7-month-old English toy spaniel
By Otoni, Cristiane & Abbott, Jonathan A·Published in Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology·2012·Department of Small Animal Clinical Sciences, United States·View original on PubMed →
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Original publication title: Mitral valve dysplasia characterized by isolated cleft of the anterior leaflet resulting in fixed left ventricular outflow tract obstruction.
- Species:
- dog
Plain-English summary
A 7-month-old male English toy spaniel was brought in for a heart murmur that was found during a routine check-up. An ultrasound of the heart showed that a part of the mitral valve was malformed, causing a blockage in the flow of blood from the heart. This type of heart issue is quite rare in dogs and hasn't been reported before. Unfortunately, the dog may need further evaluation and treatment to manage this condition, as it can affect heart function.
People also search for: dog heart murmur · English toy spaniel heart problems · mitral valve issues in dogs
Abstract
A 7-month-old, sexually intact male English toy spaniel weighing 4 kg was referred for evaluation of a subclinical cardiac murmur. Echocardiography disclosed fixed left ventricular outflow tract obstruction that was caused by attachment of a cleft anterior mitral valve leaflet to the interventricular septum. Neither atrial nor ventricular septal defects were detected. Fixed obstruction of the left ventricular outflow tract by a malformed mitral valve is rare in human beings and has not been previously reported in the dog.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22377653/