临床医生和病理医生仍能遇到一种原因不明的家族性心脏肥大。这类患者心脏瓣膜无异常,没有先天性心脏病、风湿病、高血压、冠状动脉粥样硬化、支气管肺脏疾病、梅毒等引起心脏肥大的疾病。我们在工作中曾遇到相似病例,在一个11口人的家庭中,有4人先后突然死亡,3例经病理解剖检查证实为家族性心脏肥大。为了增强对本病的认识,现提出报告如下: Clinicians and pathologists still encounter an unknown family history of cardiac hypertrophy. These patients with no abnormal heart valve, no congenital heart disease, rheumatism, hypertension, coronary atherosclerosis, bronchial lung disease, syphilis and other diseases caused by cardiac hypertrophy. We have encountered similar cases in our work. In an 11-person family, 4 of them died suddenly and one after the other, and 3 of them were diagnosed with familial cardiac hypertrophy by pathological examination. In order to enhance the understanding of this disease, the following report is submitted: