Coronary arteriovenous malformation in a dog with a complex arrhythmia and hypothyroidism

Rachel Blake, Maurizio Longo, Giorgia Santarelli, Tiziana Liuti, Yolanda Martinez-Pereira

Research output: Contribution to journalArticlepeer-review

Abstract

A four-year-old Japanese Akita was referred for investigation of lethargy, exercise intolerance and an irregular heart rhythm. He was diagnosed with atrial fibrillation, a complex ventricular arrhythmia and hypothyroidism. Echocardiography identified a nest of anomalous vessels surrounding the heart and shunting into the pulmonary artery. Computed tomography confirmed a coronary arteriovenous malformation consisting of a coronary-to-pulmonary arterial communication and an associated complex nest of tortuous vessels, which was thought to be an incidental finding. Clinical signs improved with levothyroxine and antiarrhythmic treatment. As well as describing an unusual coronary artery anomaly, this case serves as a reminder to critically evaluate the hemodynamic significance of structural cardiac disease and to screen for systemic disease in patients with arrhythmias.
Original languageEnglish
JournalJournal of Veterinary Cardiology
Early online date26 Feb 2019
DOIs
Publication statusE-pub ahead of print - 26 Feb 2019

Keywords

  • cardiac
  • veterinary
  • CT
  • fistula
  • atrial fibrillation

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