DanICD is a randomized, controlled study to with the aim to assess whether there is a benefit of ICD-implantation in patients with coronary artery disease (including acute myocardial infarction), who survive cardiac arrest due to ventricular fibrillation/sustained ventricular tachycardia and undergo revascularization and with an LVEF above 35%.

Inclusion Criteria:

• Patients with CAD and cardiac arrest due to VF/VT, where angiogram is performed with complete revascularization (PCI, CABG or hybrid coronary revascularization) before ICD implantation. Unfavorable artery for PCI (i.e., excessive vessel tortuosity or chronic total occlusion) or high-risk invasive treatment is not mandatory in order to achive complete revascularization.
• Age ≥18 years
• LVEF >35% at the time of discharge. The most recent LVEF assessment on which the current medical treatment will be based at the time of entry into the study will be used as baseline LVEF.

Exclusion Criteria:

• Non-ischemic cause of cardiac arrest (i.e. ion channel diseases, non-ischemic cardiomyopathy)
• Previous CABG within the last 3 months before index hospitalization
• Life expectancy less than 1 year or severe neurologic outcome
• Unable or unwilling to give informed consent
• Pregnancy

Treatment cannot be blinded, we will use several endpoints that do not require an endpoint committee evaluation.