Figure 3. Sudden cardiac death survival rate in the CASCADE study. Survivors of out-of-hospital cardiac arrest were randomized to empirical amiodarone or electrophysiology- or Holter-guided therapy using conventional antiarrhythmic drugs. Endpoints were cardiac arrest from ventricular fibrillation or syncope followed by ICD shock.

(Adapted and reproduced with the permission of the publishers and author from: Randomized antiarrhymthmic drug therapy in survivors of cardiac arrest (the CASCADE Study). The CASCADE Investigators. Am J Cardiol 1993 Aug 1;72(3):280-7, Figure 3.)⁵⁹