Spontaneous closure of ventricular septal defects by aneurysmal formation of the membranous septum.
D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D002932:Cineangiography; D006322:Heart Aneurysm / Q000150:complications*; D006345:Heart Septal Defects, Ventricular / Q000150:complications* / Q000000981:diagnostic imaging; D006346:Heart Septum; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male