What is the average life expectancy of a person with cardiomyopathy?

Cardiomyopathy. Depends on what kind of cardiomyopathy and the status of the individual. Many varieties of cardiomyopathy.
Depends. The life expectancy of a person with cardiomyopathy(cm) depends on several variables.What is the cause of the cm?What is the amount of damage to the heart muscle?-usually reflected in a measurement of the heart's pumping ability known as an ejection fraction (the normal minimum is ~50-55%).A person's functional status is also important-are they very symptomatic on maximum therapy or barely on none.