Persistent right aortic arch in a yearling horse.


A 14-month-old filly with chronic pharyngitis was diagnosed with incomplete esophageal constriction and megaesophagus due to a persistent right aortic arch. This report is unusual because clinical signs of respiratory dysfunction secondary to chronic regurgitation occurred prior to the recognition of dysphagia.

Cite this paper

@article{Butt1998PersistentRA, title={Persistent right aortic arch in a yearling horse.}, author={Troy D Butt and Douglas G. Macdonald and William H. Crawford and Julie E. Dechant}, journal={The Canadian veterinary journal = La revue vétérinaire canadienne}, year={1998}, volume={39 11}, pages={714-5} }