主动脉瓣狭窄是一种较常见的心脏瓣膜疾病，常由先天畸形和后天性疾病所致，严重者常发生猝死。文献曾有钙化性主动脉瓣狭窄的报告，但先天性二叶型主动脉瓣狭窄较少见。现报告先天性二叶型主动脉瓣狭窄引起猝死 1例。 1案例 　　某女， 40岁。某日因债务纠纷与他人争吵，在相 Aortic stenosis is a more common heart valve disease, often caused by congenital malformations and acquired diseases, severe cases often occur sudden death. There have been reports of calcific aortic stenosis in the literature, but congenital bilobed aortic stenosis is less common. One case of sudden death caused by congenital bileafric aortic stenosis is reported. A case of a woman, 40 years old. One day quarrel with others because of debt disputes, in phase