Ebstein malformation Congenital heart disease characterized by downward displacement of the abnormal septal leaflet of the tricuspid valve into an underdeveloped right ventricle. Endocardial fibroelastosis Thickening of the endocardium of the heart chambers and valves most prominent in the left ventricle. Primary EFE is a congenital disease of unknown etiology . Secondary EFE is a complication of various other cardiac disease characterized by intraventricular hypertension or turbulent blood flow. Endocarditis Inflammation of the endocardium.
Foramen ovale An opening at the midpoint of the interatrial septum.
It is open during fetal life allowing the passage of blood from the right to the left atrium. This natural fetal shunt allows the blood to bypass the fetal lungs. Heart failure Heart dysfunction resulting in the inability of the heart to pump blood into the blood vessels. May be acute or chronic. It may be caused by many diseases affecting the endocardium, myocardium or pericardium, but most often it is a consequence of atherosclerosis affecting the coronary arteries .