Breed Health Score
cardiac

Subvalvular aortic stenosis in dogs

A congenital narrowing of the outflow tract just below the aortic valve, restricting blood leaving the heart. The heart muscle thickens under the strain, which can lead to fainting, exercise intolerance and an increased risk of sudden death.

1 of the 155 breeds we track are commonly associated with Subvalvular aortic stenosis, including Newfoundland. Across these breeds median lifespans range from 11.0 to 11.0 years.

Subvalvular aortic stenosis in dogs: quick facts

Type
cardiac condition
Breeds affected
1 of the 155 breeds we track
Severity (as scored)
Major-welfare or life-threatening

Plain-English definitions of these terms are on the glossary. On the Breed Health Score, Subvalvular aortic stenosis is weighted as a major-welfare or life-threatening condition, so breeds it commonly affects carry a larger hereditary-burden deduction. This describes how our data weights the condition, not a diagnosis.

Breeds commonly associated with Subvalvular aortic stenosis (1), ranked by health score

54
Newfoundland11.0 yr · giant

Related cardiac conditions

Dilated cardiomyopathyMitral valve diseaseHeart murmursARVC (cardiomyopathy)Aortic stenosisCardiac diseaseJuvenile dilated cardiomyopathyMitral valve dysplasia

Products that may help

General care products for dogs prone to Subvalvular aortic stenosis. Browse on Amazon → Ad

Note. Breed associations are compiled from RVC VetCompass / AKC / PDSA and are indicative, not a diagnosis or veterinary advice. Browse all conditions or the breed directory.