PAtient NOtifier Feature for Reduction of Anxiety

Inclusion Criteria: * Patient has recently (min. 2 weeks - max. 14 weeks) been implanted with an SJM ICD with the Patient Notifier™ feature; * Patient is willing and able to independently comprehend and complete the study-related questionnaires; * Patient has signed the study specific informed consent form. Exclusion Criteria: * have already had a Patient Notifier™ alert since implant; * had a prior device implant (PM or ICD); * have not been discharged from the hospital since device implant; * have evidence of psychosis, dementia or cognitive impairment as documented in the patients' hospital records; * cannot commit to the follow-up schedule; * have a life expectancy of less than 1 year; * are on a waiting list for a heart transplant; * are less than 18 years old; * are pregnant;