限制型心肌病,是代表一组心肌、心内膜病变所引起心肌舒张功能受损为主的心肌病,部分患者临床表现类似缩窄性心包炎症象。其诊断标准为:左室及右室舒张末压增高、正常或大致正常的心室收缩功能、右心室压力曲线显示舒张早期下陷及晚期平台、左右室收缩及舒张末期内径正常或轻度增大。 Restrictive cardiomyopathy, on behalf of a group of myocardial, endocardial lesions caused by myocardial relaxation-based cardiomyopathy, some patients with clinical manifestations similar to constrictive pericarditis. The diagnostic criteria are: left ventricular and right ventricular end diastolic pressure increased, normal or generally normal ventricular systolic function, right ventricular pressure curve showed early diastole and late diastole platform, left and right ventricular systolic and end diastolic diameter was normal or slightly increased.