心肌致密化不全(left ventricular noncompaction,LVNC。Noncompaction of th ventricular myocardium,NCVM)、左室过度小梁形成(left ventricular hypertrabeculation)、海绵样心肌(spongy myocardium)、心肌窦状隙持续存在(persisting myocardial sinusoids)、胚胎样心肌(embryonic myocardium)。LVNC可单独发生,称为孤立性心肌致密化 ......