The purpose of this study is to clear the Safety and Necessity of the Magnetic Resonance Imaging (MRI) in the Presence of CIEDs(Cardiovascular Implantable Electronic Devices).

1. Inclusion criteria

   • Patient is >18 years old
   • Patient implanted with a Biotronik MRI compatible CIED (including the pacemaker, cardiac resynchronization therapy, implantable cardioverter defibrillator, and cardiac resynchronization therapy-defibrillator) in the past two months
   • Patient has provided a written informed consent
   • Patient's height is≥140cm

2. Exclusion criteria

   • Have other medical implants that may interact with MRI, e.g. abandoned pacemaker/ICD leads, lead extensions, mechanical valves, other active medical devices, non-MRI compatible devices
   • Life expectancy less than 2 years
   • Pregnant and/or breat-feeding females or females who intend to become pregnant in next two years
   • Patient is currently participating in another study
   • In the investigator's opinion patient will not be able to comply with the follow-up requirements

Patients with ProMRI CIED implanted，including ProMRI Pacemaker/CRT and ProMRI ICD/CRTD