It is, therefore, an object of {HEAD ~ the present invention} to overcome {TAIL ~ the above mentioned disadvantages}, by proposing a device that is able to search for ventricular pauses in a progressive and adaptive manner, in order to approach more closely the symptomatic threshold that is specific to the patient at the moment considered, while ensuring delivery of a back up stimulation pulse as the recording is being carried out 
It is , therefore , an object of { HEAD ~ the present invention } to overcome { TAIL ~ the above mentioned disadvantages } , by proposing a device that is able to search for ventricular pauses in a progressive and adaptive manner , in order to approach more closely the symptomatic threshold that is specific to the patient at the moment considered , while ensuring delivery of a back up stimulation pulse as the recording is being carried out
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