家族性肥厚型心肌病是一种以常染色体显性遗传为特征的具有遗传异质性的心脏疾病，它是年轻人心源性猝死的首要病因。

Familial hypertrophic cardiomyopathy (FHCM) is a genetically heterogeneous cardiac disease transmitted as an autosomal dominant trait. It is the leading cause of sudden cardiac death (SCD) in youth.

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努南综合症被定义为一种常染色体显性的遗传性综合症，其一般特征为身材矮小、先天性心脏缺损、以及独特的面部特征。

Noonan syndrome is defined as an autosomal dominant genetic syndrome commonly characterized by short stature, congenital heart defects, and unique facial features.

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努南综合症被定义为一种常染色体显性的遗传性综合症，其一般特征为身材矮小、先天性心脏缺损、以及独特的面部特征。

Noonan syndrome is defined as an autosomal dominant genetic syndrome commonly characterized by short stature, congenital heart defects, and unique facial features.

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