Patent ID: 7366566
Filing Date: 2008-04-29
Classification: A61N

Abstract:
1. An active implantable medical device comprising: means for detecting spontaneous atrial and ventricular events; means for ventricular and atrial stimulation; means for operating the device in AAI mode with ventricular detection; means for operating the device in DDD mode; means for mode switching, wherein said means for mode switching further comprises means for controlling switching from AAI mode to DDD mode when at least one of the following conditions, each of which is checked by the means for mode switching, is fulfilled: means for state detecting, further comprising means for diagnosing a temporary specific state of a patient carrying the device, including a phase of suspicion of disorder of the atrial rate of the patient and at least one of a phase of effort and a phase of sleep of the patient; and wherein the mode switching means further comprises means for suspending, when said means for state detecting diagnoses a phase of suspicion of disorder of the atrial rate of the patient, the checking of the conditions a) to c), while maintaining the checking of the condition d), for a length of time at least equal to a duration of the phase of suspicion of disorder of the atrial rate of the patient.