Fatal Myocardial Degeneration in an Adult Quarter Horse with Vitamin E Deficiency

Robert Barigye, Neil W. Dyer, Teresa K. Newell

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


A carcass of an adult female Quarter Horse that spontaneously died was received for general investigation at the veterinary diagnostic laboratory of North Dakota State University. Routine necropsy examination demonstrated multiple pale and firm foci in the heart that were histologically consistent with severe myocardial degeneration/necrosis and fibrosis. Analysis of a liver sample confirmed a suboptimal vitamin E level and a selenium value that was within reference range. Because there was no anamnestic indication for ingestion of cardiotoxic plants or evidence of other etiologic factors, vitamin E deficiency was concluded to have led to the development of the myocardial lesions, which precipitated acute heart failure resulting in sudden death.

Original languageEnglish
Pages (from-to)405-408
Number of pages4
JournalJournal of Equine Veterinary Science
Issue number9
Publication statusPublished - Sept 2007
Externally publishedYes


  • Adult horse
  • Myocardial degeneration
  • Vitamin E deficiency

ASJC Scopus subject areas

  • Equine


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