patient eligible for implantation of a dual-chamber pacemaker according to current available guidelines

patient with reply 200 dr implantation performed

patient who provides signed and dated informed consent (according to the laws and regulations of the country in which the observational study is conducted)

inability to understand the purpose of the study or refusal to co-operate

unavailability for routine follow-ups at the implanting centre

already included in another clinical study that could affect the results of this study

inability or refusal to provide informed consent

patient is minor (less than 18-years old)

patient is pregnant

patient is forfeiture of freedom or under guardianship