title: Heart rhythm problems. New treatment methods are available.
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use; D001145:Arrhythmias, Cardiac / Q000145:classification / Q000209:etiology / Q000628:therapy*; D006801:Humans; D012307:Risk Factors
chemical_list: D000889:Anti-Arrhythmia Agents