Abstract
A dog was presented for lameness, fever, and extreme lethargy. On physical exam, a new heart murmur, arrhythmia, and joint effusion were detected. These findings were not detected two months prior. A diagnostic work-up confirmed septic suppurative inflammation in multiple joints. Echocardiogram revealed aortic valvular endocarditis along with a communication, as a consequence of a fistula, that extended from just below the aortic sinotubular junction to the left atrial lumen. Due to a poor prognosis, humane euthanasia was elected. Necropsy and histopathology confirmed infective endocarditis of the aortic valve and an aorto-left atrial fistulous tract extending from the left coronary sinus of the aortic valve to the lumen of left atrium.
Keywords:
Bacteria; Heart murmur; Pseudoaneurysm; Streptococcus spp.
Published by Elsevier B.V.
MeSH terms
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Animals
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Aortic Diseases / complications
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Aortic Diseases / diagnostic imaging
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Aortic Diseases / pathology
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Aortic Diseases / veterinary
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Dog Diseases* / diagnostic imaging
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Dog Diseases* / pathology
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Dogs
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Echocardiography* / veterinary
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Endocarditis / complications
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Endocarditis / diagnostic imaging
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Endocarditis / pathology
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Endocarditis / veterinary
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Endocarditis, Bacterial / complications
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Endocarditis, Bacterial / diagnostic imaging
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Endocarditis, Bacterial / pathology
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Endocarditis, Bacterial / veterinary
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Female
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Fistula / diagnostic imaging
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Fistula / veterinary
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Heart Atria* / diagnostic imaging
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Heart Atria* / pathology
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Heart Diseases / complications
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Heart Diseases / diagnostic imaging
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Heart Diseases / etiology
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Heart Diseases / pathology
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Heart Diseases / veterinary
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Male
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Vascular Fistula / complications
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Vascular Fistula / diagnostic imaging
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Vascular Fistula / veterinary