Yet another is endocardial fibroelastosis, where fibrosis develops in the endocardium, the inner lining of the heart, as well as the subendocardium right under, again making the tissue less compliant.
还有另一种病因是心内膜弹力纤维增生症,即在心内膜以及心内膜下层发生了纤维化,使得心脏组织顺应性变差。