title: Relationship between inotropic changes and ECG changes induced by digitalis.
mesh_terms: D004071:Digitalis Glycosides / Q000494:pharmacology*; D004074:Digitoxin / Q000494:pharmacology; D004077:Digoxin / Q000494:pharmacology; D004305:Dose-Response Relationship, Drug; D004562:Electrocardiography; D006801:Humans; D009200:Myocardial Contraction / Q000187:drug effects*
chemical_list: D004071:Digitalis Glycosides; D004077:Digoxin; D004074:Digitoxin