title: Letter: Atrial fibrillation and sympathomimetics.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D004809:Ephedrine / Q000009:adverse effects; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000139:chemically induced*; D013566:Sympathomimetics / Q000009:adverse effects*
chemical_list: D013566:Sympathomimetics; D004809:Ephedrine