Pressure gradients without obstruction. A new concept of "hypertrophic subaortic stenosis".
D000293:Adolescent; D000328:Adult; D000818:Animals; D002302:Cardiac Output / Q000187:drug effects; D004285:Dogs; D005260:Female; D006331:Heart Diseases; D006801:Humans; D008297:Male; D008875:Middle Aged