Implanted Loop Recorder

The study is a prospective registry. Consecutive patients with indications of implant / replacement or upgrade of pacemaker (PM), implantable cardioverter defibrillator (ICD), Implanted loop recorder (ILR) will be enrolled. The primary objective of the study is to describe the clinical events during a long-term follow-up of non-selected population of patients implanted with an PM, ICD or ILR.