Patients With Implantable Cardiac Devices Requiring a Nuclear Magnetic Resonance

Inclusion Criteria: * Patients carrying a cardiac stimulation device * Patients able to understand the nature of the procedure * Patients who give informed consent Exclusion Criteria: * Epicardial cables * Abandoned cables * Non-BIOTRONIK cables * Age \<18 years * Pregnant and breastfeeding * Subjects with irreversible brain damage caused by a pre-existing brain disease * Heart transplant 6 months prior to recruitment or expected within the next 3 months * Cardiac surgery 3 months prior to recruitment or planned for the next 3 months * Life expectancy less than 12 months