The device includes circuits for delivering ventricular stimulation, circuits for detecting a normal spontaneous ventricular cardiac activity; a circuit for controlling ventricular stimulation that is suitable to control the application of {TAIL ~ a stimulation} in {HEAD ~ the absence} of normal spontaneous ventricular activity; and the continuous recording of the current cardiac information, such as detected cardiac activity and of parameters representative of those events 
The device includes circuits for delivering ventricular stimulation , circuits for detecting a normal spontaneous ventricular cardiac activity ; a circuit for controlling ventricular stimulation that is suitable to control the application of { TAIL ~ a stimulation } in { HEAD ~ the absence } of normal spontaneous ventricular activity ; and the continuous recording of the current cardiac information , such as detected cardiac activity and of parameters representative of those events
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