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Is Dilated Cardiomyopathy Genetic?

Partially
Heritability
~48%
Inheritance
autosomal-dominant
Key genes
LMNA,TTN,SCN5A,MYH7

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Dilated cardiomyopathy causes the heart to enlarge and pump poorly. Up to 48% of familial cases are caused by identifiable single-gene mutations.

How Genetic Is Dilated Cardiomyopathy?

Genetics plays a meaningful role in Dilated Cardiomyopathy, with heritability estimated at around 48%. However, environmental factors — including diet, lifestyle, and exposure — also significantly influence risk.

Key genes associated with Dilated Cardiomyopathy: LMNA,TTN,SCN5A,MYH7. Variants in these genes have been identified through genome-wide association studies (GWAS) and clinical research as influencing susceptibility or severity.

Source: MedlinePlus Genetics

Does Family History Matter for Dilated Cardiomyopathy?

Family history does matter. Having close relatives with Dilated Cardiomyopathy can increase your personal risk, though it is not deterministic. Maintaining a healthy lifestyle and regular screening remain important regardless of family background.

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Related Genetic Conditions

Sources