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idiopathic hypertrophic subaortic stenosis in Medicine

idiopathic hypertrophic subaortic stenosis

n.
  1. Obstruction of the flow of blood out of the left ventricle due to hypertrophy of the ventricular septum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.