The recalls of various defibrillators have received a lot of media attention. What prompts these recalls is an excess number of devices malfunctioning with a particular model. The reality, though, is that the absolute risks of your particular device malfunctioning are quite low. Many times the risk of trying to change out the old defibrillator for a new one is greater than the risk of the old one malfunctioning. In some cases, it may make sense to reprogram your device or to change out the generator. You ought to discuss your particular situation with the cardiologist who implanted your device.