Cardiomyopathy and right-sided congestive heart failure in a red-tailed hawk (Buteo jamaicensis)

S. Emmanuelle Knafo, Gregg Rapoport, Jamie Williams, Benjamin Brainard, Elizabeth Driskell, Elizabeth Uhl, Sonia Crochik, Stephen J. Divers

Research output: Contribution to journalArticlepeer-review


A 15-year-old female red-tailed hawk (Buteo jamaicensis) was evaluated because of dyspnea, anorexia, and coelomic distension. Diagnostic imaging results confirmed severe coelomic effusion and revealed a markedly dilated right ventricle. The diagnosis was right-sided congestive heart failure. Results of measurements of vitamin E, selenium, lead, zinc, and cardiac troponin levels were normal or nondiagnostic. The hawk was treated with furosemide, antifungal and antimicrobial agents, and supplemental fluids and oxygen, but euthanasia was elected because of the poor prognosis and the practical difficulties associated with intensive case management. To our knowledge, this is the first described case of cardiomyopathy and congestive heart failure in a captive red-tailed hawk.

Original languageEnglish (US)
Pages (from-to)32-39
Number of pages8
JournalJournal of avian medicine and surgery
Issue number1
StatePublished - Mar 2011
Externally publishedYes


  • Buteo jamaicensis
  • Cardiomyopathy
  • avian
  • cardiac troponin I
  • congestive heart failure
  • raptor
  • redtailed hawk

ASJC Scopus subject areas

  • Small Animals


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