Refractory ventricular tachycardia with flecainide.
D000368:Aged; D000889:Anti-Arrhythmia Agents / Q000009:adverse effects*; D005424:Flecainide; D006352:Heart Ventricles; D006801:Humans; D008012:Lidocaine / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D010880:Piperidines / Q000009:adverse effects*; D013610:Tachycardia / Q000139:chemically induced* / Q000188:drug therapy
D000889:Anti-Arrhythmia Agents; D010880:Piperidines; D008012:Lidocaine; D005424:Flecainide