Third degree atrioventricular block and accelerated idioventricular rhythm associated with a heart base chemodectoma in a syncopal Rottweiler.

Schuller, Simone; Van Israël, N; Else, R W (2007). Third degree atrioventricular block and accelerated idioventricular rhythm associated with a heart base chemodectoma in a syncopal Rottweiler. Journal of veterinary medicine. Series A - physiology, pathology, clinical medicine, 54(10), pp. 618-623. Blackwell 10.1111/j.1439-0442.2007.00972.x

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A 7-year-old male intact Rottweiler was presented with a 1-week history of lethargy, anorexia, vomiting and multiple syncopal events. The results of the clinical examination and electrocardiography were consistent with a third degree atrioventricular block and an intermittent accelerated idioventricular rhythm. Haematology, serum biochemistry, serology for Borrelia burgdorferi, blood culture, total T4, thoracic radiography and echocardiography did not reveal the cause of the arrhythmia. Response to medical treatment with isoproterenol was poor. Pacemaker placement was declined by the owners and the dog was euthanized at their request. Histopathological examination of the heart revealed a chemodectoma at the base of the heart. There was no neoplastic infiltration of the conduction tissue. Potential mechanisms explaining the association of the arrhythmias and the tumour, such as vagal stimulation and neuroendocrine factors are discussed.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Small Animal Clinic
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Small Animal Clinic > Small Animal Clinic, Internal Medicine

UniBE Contributor:

Schuller, Simone

Subjects:

600 Technology > 630 Agriculture
600 Technology > 610 Medicine & health

ISSN:

0931-184X

Publisher:

Blackwell

Language:

English

Submitter:

Simone Schuller

Date Deposited:

10 Oct 2014 10:56

Last Modified:

10 Oct 2014 10:56

Publisher DOI:

10.1111/j.1439-0442.2007.00972.x

PubMed ID:

18045349

URI:

https://boris.unibe.ch/id/eprint/59166

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