|
|
The most common obstruction of left ventricular outflow in childhood is produced either by a fibrous ring below the aortic valve, or by localized or diffuse muscular hypertrophy of the interventricular septum. Cardiac tumors causing subaortic stenosis in the newborn infant are extremely rare. This report describes two cases of subaortic stenosis caused by a tumor of the left ventricle... |
