The purpose of this study is to determine efficacy of a dedicated programming concept for avoidance of inappropriate implantable cardioverter defibrillator (ICD) therapies in patient with primary prevention ICD indication.

Inappropriate ICD therapies still remains a major issue with respect to patient's quality of life and proarrhythmic risk.

It's the aim of this study to determine efficacy of a dedicated programming concept for avoidance of inappropriate ICD therapy in patients who received the ICD for primary prevention of sudden cardiac death.

Inclusion Criteria:

• Approved indication for new ICD implantation for primary prevention of sudden cardiac death
• Age >=18 Years
• Written informed consent

Exclusion Criteria:

• ICD indication for secondary prevention reasons
• ICD indication for "electrical" disorders (i.e. long/short QT syndrome, Brugada syndrome etc...)
• ICD change or upgrade
• Pregnancy
• Nonage
• Patient is already participating to another study with active therapy arm
• Patient will most likely not be able to participate to the routine follow ups in the study center.