Failure of the Trendelenburg position to improve circulation during clinical shock.
D000328:Adult; D000368:Aged; D001795:Blood Pressure Determination; D002302:Cardiac Output; D005260:Female; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D011187:Posture; D012769:Shock / Q000628:therapy*