Genetic defect: Hypertrophic cardiomyopathy is caused by a mutation in one of several genes that codes for cardiac contractile proteins (sarcomeric proteins.) typically, these are inherited in an autosomal dominant pattern. Spontaneous mutations do occur. Over 50% of people have an affected parent, but disease expression is variable.
Answered 1/20/2014
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3 doctors weighed in across 2 answers
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