Effects of changes in body position on the severity of obstruction to left ventricular outflow in idiopathic hypertrophic subaortic stenosis.
D000293:Adolescent; D000328:Adult; D001024:Aortic Valve Stenosis / Q000503:physiopathology*; D001775:Blood Circulation; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture