Aortic valve insufficiency in a one-year-old colt
Clark, E.S.; Reef, V.B.; Sweeney, C.R.; Lichtensteiger, C.
Journal of the American Veterinary Medical Association 191(7): 841-844
1987
ISSN/ISBN: 0003-1488 PMID: 3679975 Document Number: 2806
Aortic insufficiency was suspected in a thin 1-year-old colt with a grade IV/V decrescendo holodiastolic murmur and a bounding arterial pulse. Echocardiographic findings (diastolic fluttering of the septal leaflet of the mitral valve, left ventricular volume overload, and incomplete aortic valve closure) were diagnostic for aortic valve insufficiency. Moderately thick fibrotic aortic valve leaflets were found at necropsy. Fenestrations were found in the aortic and pulmonic valve cusps. Congenital valvular disease may have led to aortic valvular insufficiency in this horse.
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