title: Reversal of electrocardiogram to normal in chronic obstructive pulmonary disease with emphysema.
mesh_terms: D001945:Breathing Exercises; D006332:Cardiomegaly / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000209:etiology; D004035:Diet Therapy; D004562:Electrocardiography; D006333:Heart Failure / Q000209:etiology*; D006801:Humans; D007545:Isoproterenol / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D011086:Polycythemia / Q000209:etiology; D011193:Potassium Iodide / Q000627:therapeutic use; D011656:Pulmonary Emphysema / Q000628:therapy*; D011660:Pulmonary Heart Disease / Q000150:complications / Q000628:therapy*; D011859:Radiography; D012129:Respiratory Function Tests
chemical_list: D011193:Potassium Iodide; D007545:Isoproterenol