title: Mechanical response of the mammalian myocardium to modifications of the action potential.
mesh_terms: D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D001001:Anura; D002118:Calcium / Q000378:metabolism; D004837:Epinephrine / Q000494:pharmacology; D005110:Extracellular Space / Q000378:metabolism; D005246:Feedback; D006321:Heart / Q000502:physiology*; D008274:Magnesium / Q000494:pharmacology; D008928:Mitochondria; D008954:Models, Biological; D009119:Muscle Contraction; D009210:Myofibrils / Q000502:physiology; D013997:Time Factors; D016276:Ventricular Function
chemical_list: D008274:Magnesium; D002118:Calcium; D004837:Epinephrine