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Case Reports
. 2005 Dec;46(12):1122-5.

Sudden cardiac death associated with occult hypertrophic cardiomyopathy in a dog under anesthesia

Daniel Pang  1 , Yves Rondenay, Pierre Hélie, Sophie G Cuvelliez, Eric Troncy
Affiliations
Case Reports

Sudden cardiac death associated with occult hypertrophic cardiomyopathy in a dog under anesthesia

Daniel Pang et al. Can Vet J. 2005 Dec.

Abstract
in English, French

A 6-year-old, 3.0 kg, neutered female, Yorkshire terrier was referred for orthopedic surgery. Cardiac arrest followed unsuccessful treatment of bradycardia and systemic arterial hypotension under general anesthesia. Postmortem examination revealed hypertrophic cardiomyopathy. A possible relationship between treatment of bradycardia, systemic arterial hypotension, and sudden cardiac death is described.

Arrêt cardiaque soudain associé à une cardiomyopathie hypertrophique non diagnostiquée chez un chien sous anesthésie. Une femelle Terrier du Yorkshire, castrée, âgée de 6 ans et pesant 3 kg, est référée pour une chirurgie orthopédique. Un arrêt cardiaque sous anesthésie générale fait suite à une bradycardie et une hypotension artérielle systémique sévère ne répondant pas au traitement anticholinergique classique. La nécropsie révèle une cardiomyopathie hypertrophique non diagnostiquée cliniquement. Une relation possible entre le traitement de la bradycardie et l’apparition de l’hypotension artérielle systémique entraînant un arrêt cardiaque soudain est suspectée dans ce cas précis.

(Traduit par les auteurs)

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