title: Electrocardiography then and now: where next?
mesh_terms: D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D004562:Electrocardiography / Q000266:history / Q000639:trends*; D004594:Electrophysiology; D006352:Heart Ventricles / Q000503:physiopathology; D049673:History, 20th Century; D006801:Humans
chemical_list: D000889:Anti-Arrhythmia Agents