过去20年,随着对心肌病认识的不断进步和深入,心肌病的定义得到了多次修订,早期理解为与心肌功能障碍有关的心肌疾患,逐渐发展到必须排除冠心病、高血压、瓣膜病等其他病因,进而将心电障碍也涵盖在定义中~([1])。超声心动图、心脏CT及心血管造影等检查方法在心肌病的形态与功能、诊断与鉴别诊断方面有一定价值。然而上述影像学检查具有一定的局限性,如电离辐射、有创以及缺乏风险预测等。心脏磁共振(cardiovas- Over the past 20 years, with the continuous improvement of the understanding of cardiomyopathy and in-depth, the definition of cardiomyopathy has been repeatedly revised, and early understanding of myocardial dysfunction associated with myocardial disease, and gradually developed to the need to rule out coronary heart disease, hypertension, valvular Other causes of disease, which in turn will also cover the definition of ECG dysfunction ~ ([1]). Echocardiography, cardiac CT and angiography and other test methods in the morphology and function of cardiomyopathy, diagnosis and differential diagnosis have some value. However, the imaging examination has some limitations, such as ionizing radiation, invasive and lack of risk prediction. Cardiovas-