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Screening for hypertrophic cardiomyopathy in cats

Jens Häggström, Virginia Luis Fuentes, Gerhard Wess
Journal of veterinary cardiology 2015 v.17 pp. S134
breeding, cardiomyopathy, cats, echocardiography, heart, morbidity, mortality, phenotype, purebreds, screening
Hypertrophic cardiomyopathy (HCM) is the most common heart disease in cats, and it can lead to increased morbidity and mortality. Cats are often screened for HCM because of the presence of a heart murmur, but screening for breeding purposes has also become common. These cats are usually purebred cats of breeding age, and generally do not present with severe disease or with any clinical signs. This type of screening is particularly challenging because mild disease may be difficult to differentiate from a normal phenotype, and the margin for error is small, with potentially major consequences for the breeder. This article reviews HCM screening methods, with particular emphasis on echocardiography.