title: A dissociation of positive staircase (Bowditch) from ouabain-induced positive inotropism.
mesh_terms: D000818:Animals; D002118:Calcium / Q000378:metabolism; D006321:Heart / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D066298:In Vitro Techniques; D008297:Male; D009119:Muscle Contraction / Q000187:drug effects; D009206:Myocardium / Q000378:metabolism; D010042:Ouabain / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D010477:Perfusion; D011817:Rabbits; D012964:Sodium / Q000378:metabolism; D013997:Time Factors; D014700:Verapamil / Q000494:pharmacology*
chemical_list: D010042:Ouabain; D012964:Sodium; D014700:Verapamil; D002118:Calcium