Experience in the long term use of new antiarrhythmic drugs.
D000328:Adult; D000368:Aged; D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use*; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D005260:Female; D005424:Flecainide; D006801:Humans; D008297:Male; D008875:Middle Aged; D010880:Piperidines / Q000009:adverse effects / Q000627:therapeutic use*
D000889:Anti-Arrhythmia Agents; D010880:Piperidines; D005424:Flecainide