Common ventricle with separate pulmonary outflow chamber in a horse.

C. S. Zamora, A. Vitums, J. H. Foreman, W. M. Bayly, J. P. Weidner

Research output: Contribution to journalArticlepeer-review


On the basis of clinical and laboratory examinations, a ventricular septal defect or a variant of the tetralogy of Fallot was suspected in a 3-year-old filly with a history of poor growth rate and exercise intolerance. The filly was euthanatized and found to have a 3-chambered heart (cor triloculare biatriatum). The heart had 2 normally formed atria and a large common ventricle into which the right and left atrioventricular orifices opened and from which the aorta arose. There was a small separate chamber from which the pulmonary trunk originated. This chamber communicated with the common ventricle through a large oval opening along the dorsal border of the displaced, interventricular septum.

Original languageEnglish (US)
Pages (from-to)1210-1213
Number of pages4
JournalJournal of the American Veterinary Medical Association
Issue number11
StatePublished - Jun 1 1985
Externally publishedYes

ASJC Scopus subject areas

  • veterinary(all)


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