title: A device for measuring myocardial contractility.
mesh_terms: D000804:Angiotensin II / Q000494:pharmacology; D000818:Animals; D001794:Blood Pressure; D003202:Computers, Analog; D004285:Dogs; D004837:Epinephrine / Q000494:pharmacology; D006321:Heart / Q000187:drug effects*; D006352:Heart Ventricles / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects*
chemical_list: D000804:Angiotensin II; D004837:Epinephrine