title: 1:1 conduction in atrial flutter after intravenous injection of aminophylline.
mesh_terms: D000368:Aged; D000628:Aminophylline / Q000009:adverse effects*; D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D001282:Atrial Flutter / Q000150:complications*; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007275:Injections, Intravenous; D011654:Pulmonary Edema / Q000150:complications*
chemical_list: D000628:Aminophylline