title: ECG response: March 25, 2014.
mesh_terms: D000368:Aged; D000420:Albuterol / Q000008:administration & dosage / Q000009:adverse effects*; D001993:Bronchodilator Agents / Q000008:administration & dosage / Q000009:adverse effects; D003937:Diagnosis, Differential; D004562:Electrocardiography / Q000379:methods*; D006801:Humans; D008297:Male; D029424:Pulmonary Disease, Chronic Obstructive / Q000188:drug therapy*; D013612:Tachycardia, Ectopic Atrial / Q000139:chemically induced / Q000175:diagnosis*; D013616:Tachycardia, Sinus / Q000139:chemically induced / Q000175:diagnosis*
chemical_list: D001993:Bronchodilator Agents; D000420:Albuterol