Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions {configured for switching the pacing mode, e.g. from AAI to DDD}
Heart stimulators controlled by a physiological parameter, e.g. heart potential comprising more than one electrode co-operating with different heart regions {configured for switching the pacing mode, e.g. from AAI to DDD}