Type of Shock All patients Patients who died Cause of Death     Arrhythmic cause   Non-arrhythmic Cardiac cause   number of patients   Noncardiac causes             Any shock 380 74 17 34 23 Any appropriate 296 62 11 30 21 Any inappropriate 72 8 2 4 2 No shock 40 9 3 4 2 ICD = Implantable Cardioverter-Defibrillator

Table 2: ICD Shock and Cause of Death.