The effect of upright posture on right ventricular volumes in patients with and without heart failure.
D001775:Blood Circulation; D006328:Cardiac Catheterization; D002302:Cardiac Output; D006321:Heart / Q000502:physiology*; D006333:Heart Failure; D006334:Heart Function Tests; D006352:Heart Ventricles; D006801:Humans; D011187:Posture