What Is the Life Expectancy for Someone Who Has Cardiomyopathy?

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The life expectancy of patients with cardiomyopathy depends on the individual case and severity. The disorder has a mortality rate of 20 percent by one year after diagnosis and 70 to 80 percent by eight years, according to the American Family Physician.

The symptoms of cardiomyopathy include fatigue, shortness of breath, weakness, dizziness and fainting. Additional symptoms include chest pain, heart palpitations, high blood pressure and swelling of the legs and feet, states Healthline. Cardiomyopathy is a chronic disease with treatment focused on controlling the progression, maintaining quality of life and minimizing symptoms. Treatment includes medication, mechanical devices such as pacemakers, surgery and heart transplant.