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Tetralogy of Fallot in a 2-year-old Holstein heifer
Shawn L B McKenna1, Herman W Barkema, J T McClure
1Department of Health Management, Atlantic Veterinary College, University of Prince Edward Island, 550 University Drive, Charlottetown, Prince Edward Island C1A 4P3.
Abstract:
A 2-year-old, purebred Holstein heifer with exercise intolerance and cardiovascular compromise was diagnosed at postmortem with tetralogy of Fallot, which typically results in death within a few months of life. Survival past the age of 2 was unexpected. The concurrent endocarditis of the pulmonic valve is discussed.