Electromagnetic Interference and Automobile Remote Keyless Entry in Cardiovascular Implantable Electronic Device (CIED) Patients

Inclusion Criteria: 1. Age more than 18 years old 2. Able to give informed consent 3. Implanted with functioning pacemakers or AICD more than 3 months 4. Adequate and stable all device parameters 5. Able to operate self triggering event recorders (at least 30 seconds) Exclusion Criteria: 1. Patient with single chamber (Atrial) pacemaker (AAI or AAIR) 2. Presence of unstable hemodynamic or conditions 3. Presence of sustained or ongoing arrhythmia, besides atrial fibrillation/atrial flutter in single (ventricle) chamber device or Atrio-ventricular block 4. Documented of over-sensing episodes under regular sensitivity threshold (0.25 mV or more in the atrial channel and 0.75 mV or more in the ventricular channel, for permanent pacemaker device, and manufacture default setting in Automatic Implantable Cardioverter-Defibrillator, AICD) 5. Lack of noise oversensing detection/trigger and Electrogram (EGM) storage capability 6. Lack of tachyarrhythmia detection and episode storage capability