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Is Cardiomyopathy Genetic?
- Heritability
- ~50%
- Inheritance
- autosomal-dominant
- Key genes
- MYH7,MYBPC3,TNNT2,SCN5A
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Cardiomyopathy refers to diseases of the heart muscle. Hypertrophic cardiomyopathy is one of the most common inherited heart conditions affecting 1 in 500 people.
How Genetic Is Cardiomyopathy?
Cardiomyopathy has a strong genetic basis. Research estimates heritability at approximately 50%, meaning genetic factors account for the majority of variation in whether individuals develop this condition.
Key genes associated with Cardiomyopathy: MYH7,MYBPC3,TNNT2,SCN5A. 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 Cardiomyopathy?
Yes — family history is one of the strongest predictors of Cardiomyopathy. If a first-degree relative (parent, sibling, or child) has been diagnosed, your own risk may be significantly elevated. Discussing your family history with a healthcare provider or genetic counsellor is strongly recommended.
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