Cat Hyperthyroidism and Heart Disease: Caring for cats with hyperthyroidism and heart disease requires specialized attention and care. Symptoms such as weight loss, increased appetite, increased thirst, heart palpitations, and difficulty breathing can all be signs of hyperthyroidism and heart disease in cats. Diagnosis and treatment options for these conditions include blood tests, medication, and dietary changes. With proper care and monitoring, cats with these conditions can live happy and healthy lives. Keywords: cat, hyperthyroidism, heart disease, diagnosis, treatment, medication, diet, care, monitoring.