Hypertrophic Cardiomyopathy (HCM) is the most common heart disease in cats.🐱💔HCM causes the heart muscle to thicken, making it harder for the heart to pump blood effectively. While some cats show no symptoms, warning signs may include:⚠️ Lethargy⚠️ Rapid or labored breathing⚠️ Open-mouth breathing⚠️ Decreased appetite⚠️ Sudden hind limb weakness or paralysis (due to blood clots)⚠️ Fainting or collapseIf you notice any of these signs—contact your veterinarian immediately. Diagnosis typically involves an echocardiogram. Medications can help manage symptoms and improve quality of life. carecentervets.com/service/cardiology/ ... See MoreSee Less