title: Low-potassium inotropy in cardiac muscle [proceedings].
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D006352:Heart Ventricles / Q000187:drug effects; D066298:In Vitro Techniques; D009200:Myocardial Contraction / Q000187:drug effects; D011188:Potassium / Q000494:pharmacology / Q000502:physiology*; D011690:Purkinje Fibers / Q000187:drug effects / Q000502:physiology; D012756:Sheep; D016276:Ventricular Function
chemical_list: D011188:Potassium