This registry is performed for the long-term assessment of outcome, performance and residual safety aspects of the BIOMONITOR III and possible successors in a real-life clinical set-up. In addition, this registry is set up in a way that it may also be used as a platform for submodules to investigate additional scientific and regulatory aspects while minimizing the additional effort for the investigational sites and patients.

Inclusion Criteria:

• Patient is intended to receive a BIOTRONIK Implantable Cardiac Monitor (ICM)
• Patient is able to understand the nature of the registry and to provide written informed consent.
• Patient is willing and able to use the CardioMessenger and accepts the BIOTRONIK Home Monitoring concept.

Exclusion Criteria:

• Patient is pregnant or breast feeding.
• Patient is less than 18 years old.
• Patient is participating in another interventional clinical investigation other than the submodules of BIO|STREAM.ICM

The intended patient population consists of all patients who would benefit from long-term cardiac rhythm monitoring.