* * *sub·aor·tic stenosis .səb-ā-.ȯrt-ik- n aortic stenosis produced by an obstruction in the left ventricle below the aortic valve
* * *aortic stenosis due to an obstructive lesion in the left ventricle below the aortic valve, causing a pressure gradient across the obstruction within the ventricle. See also idiopathic hypertrophic subaortic s.
Medical dictionary. 2011.
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hypertrophic subaortic stenosis — idiopathic hypertrophic subaortic stenosis (IHSS) a form of hypertrophic cardiomyopathy in which the left ventricle is hypertrophied (commonly with disproportionate involvement of the interventricular septum) and the cavity is small; it is marked … Medical dictionary
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IHSS — idiopathic hypertrophic subaortic stenosis * * * idiopathic hypertrophic subaortic stenosis … Medical dictionary