限制型心肌病有家族史者较罕见,国内未见报道。我院2例报道如下:例1:男性24岁,已婚,农民。于三年前,常于黎明前无诱因地出现发作性心前区疼痛,坐起后缓解,未曾治疗。近一个月上述症状加重,以心动过缓于1986年2月15日收住院。既往无心悸、发热、关节痛,未到过克山病区。查体:血压110/70mmHg,脉搏41次,心界轻度扩大,心率41次,律齐,心尖部可闻Ⅱ级收缩期吹风样杂音,主动脉瓣第二音正常。胸片:心影轻度扩大,肺纹理正常。心胸比率0.57。化验:心肌酶、血沉、血三脂均正常。抗“0”(-)。外周血常规:染色体 Family history of restricted cardiomyopathy is rare, not reported in China. 2 cases reported in our hospital are as follows: Example 1: Male 24 years old, married, farmer. Three years ago, there was a predisposing anorexia before dawn, relieved and never treated. The past month, the symptoms worsened, with bradycardia in February 15, 1986 admitted to hospital. Past no heart palpitations, fever, joint pain, have not been to Keshan ward. Physical examination: blood pressure 110 / 70mmHg, pulse 41 times, mild heart expansion, heart rate 41 times, law Qi, apex symphysis can be heard blowing noise, aortic second normal. Chest X-ray: mild expansion of heart shadow, normal lungs texture. Cardiothoracic ratio 0.57. Laboratory: myocardial enzymes, erythrocyte sedimentation rate, blood triglyceride are normal. Anti “0” (-). Peripheral blood routine: chromosomes