Alterations in preload and myocardial mechanics in the dog and in man.
D000818:Animals; D001696:Biomechanical Phenomena; D001794:Blood Pressure; D004285:Dogs; D006321:Heart / Q000502:physiology*; D006334:Heart Function Tests; D006801:Humans; D008433:Mathematics; D008954:Models, Biological; D009119:Muscle Contraction