Feline Cardiomyopathy Home>Animal>Mammals>Cats>Conditions_and_Diseases>Feline Cardiomyopathy   Personal Pages              Web Pages Feline Hypertrophic Cardiomyopathy Defines feline hypertrophic cardiomyopathy (HCM), the most common heart disease in cats. Includes information about causes, diagnosis, treatment, and prognosis. Cats and Heart Disease Information on hypertrophic cardiomyopathy, its symptoms and treatment.