Sheba Medical Center Home Monitoring Clinic Registry

Inclusion Criteria: * Approved indication for ICD or CRTD * Implanted with or replaced with a Biotronik Lumax device * Patient willing and able to sign consent form * Willing and able to attend clinic visits and follow up schedule * Transmission of more than 80% at 3-month follow up * Patient older than 18 years Exclusion Criteria: * no indication for ICD or CRTD implant * Life expectancy shorter than 12 months * Pregnancy * Participation in other clinical studies