Cats develop hypertrophic cardiomyopathy, or HCM, which causes the heart muscle to thicken. As the illness progresses, cats can develop blood clots in their hearts, which can dislodge and cause excruciating pain, anxiety, or even death.
Cats develop hypertrophic cardiomyopathy, or HCM, which thickens their heart muscle. Cats can develop blood clots in their hearts as the illness develops, which could eventually dislodge and result in excruciating pain, anxiety, or even abrupt death.