Main Entry: endocardial fibroelastosis Function: noun : a condition usually associated with congestive heart failure and enlargement of the heart that is characterized byconversion of the endocardium to fibroelastic tissue
endocardial fibroelastosisn. A congenital condition characterized by thickening of the inner lining of the left ventricle, thickening and malformation of the cardiac valves, and hypertrophy of the heart.