Education, psychological support vital for ICD users.
D001145:Arrhythmias, Cardiac / Q000628:therapy*; D016757:Death, Sudden, Cardiac / Q000517:prevention & control*; D017147:Defibrillators, Implantable; D015438:Health Behavior; D006266:Health Education; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans