Anonymized Data Collection From the CS6BP for Heart Arrythmias Measurements

Inclusion Criteria: * Age of eighteen (18) year and above * In clinical need for electrophysiology study (standalone or before ablation procedure) and/or Subjects with AVB who are candidates for pacemaker implantation * Ability and willingness to sign an informed consent form Exclusion Criteria: * Patients with significant co morbidities (assessed by the clinician at screening only): Mechanically ventilated patients Mechanical circulation (LVAD, IABP, ECMO) * Subjects who are currently enrolled in another clinical investigation in which the intervention might compromise the safety of the subject's participation in this study * Subjects with PPG SNR \<100 indicated by the CS6BP device * Women who are pregnant or breastfeeding * Subjects with had deformity banning from wearing the device