good heart doctors near me Cardiomyopathy life expectancy varies greatly by type (Hypertrophic, Dilated), severity, and treatment, but modern management improves outlooks, with many Hypertrophic Cardiomyopathy (HCM) patients having near-normal lifespans, while Dilated Cardiomyopathy (DCM) often shows 5-year survival rates around 50%, though improved treatments are enhancing these figures, with factors like adherence to medication, lifestyle (diet, exercise, no smoking), and overall health significantly impacting outcomes.