Noncompaction myocardium is a rare cardiomyopathy.It is an arrest of normal embryogenesis of the endocardium.The reason,diagnosis and therapy of noncompaction myocardium were reviewed in this writing.

• 心肌致密不全是一种罕见的心肌病,是胚胎生长过程中心内膜心肌发育缺陷所造成。现就心肌致密不全的原因、诊断以及治疗进行综述。