Hyperthyroidism in cats, over time, causes the heart muscle to thicken, resulting in a type of feline cardiomyopathy. (askthecatdoctor.com)
According to Marc Kraus, DVM, at the Cornell University College of Veterinary Medicine, there are three types of disorders that cause feline cardiomyopathy: (onpets.com)
According to a study on feline cardiomyopathy published by the Cornell University College of Veterinary Medicine, cardiomyopathy (which means «disease of the heart muscle») accounts for nearly two - thirds of diagnosed heart conditions in cats. (onpets.com)