muscular subaortic stenosis -->
idiopathic hypertrophic subaortic stenosis
medical dictionary

<cardiology> A congenital heart disease that results in abnormal thickening of the ventricular septum and left ventricular wall. Enlargement of the ventricular septum can result in ventricular outflow obstruction (subaortic stenosis) and eventual cardiomyopathy.

(27 Sep 1997)