PREDICTIVE DIAGNOSIS OF A PATIENT'S STATUS IN AN ACTIVE IMPLANTABLE MEDICAL DEVICE NOTABLY FOR CARDIAC PACING, RESYNCHRONIZATION, DEFIBRILLATION OR CARDIOVERSION
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United States of America Patent
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app pub date -
Aug 4, 2014
filing date -
Sep 27, 2005
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Abandoned
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Abstract
An active implantable medical device, notably a device for pacing, resynchronization defibrillation and/or cardioversion, and/or a device for diagnosing patient conditions, having a predictive diagnosis of the patient's status. The device measures a physiologic parameter, notably the minute ventilation (MV); measures a physical parameter, notably the acceleration (G); discriminates between phases of activity and rest of the patient; and includes a memory containing a plurality of fields selectively updated by statistical processing. These fields are comprising one first set (22) containing data related to the patient's activity phases, and one second set (24) containing data related to the patient's rest phases. The statistical processing is updating in a dissociated manner the first and second sets of fields, selectively as a function of the value taken by the status indicator, and the analysis (26) evaluates at least one clinical status index (28, 30, 32) based upon the data contained in the fields of both first and second sets.
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