Continuously monitoring cardiac events in an active implantable medical device
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United States of America Patent
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May 7, 2002
Grant Date -
N/A
app pub date -
Dec 20, 1999
filing date -
Dec 20, 1999
priority date (Note) -
Expired
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Abstract
An active implantable medical device, in particular a pacemaker, defibrillator and/or cardiovertor, including a circuit for recording cardiac events. This device records cardiac events or parameters representative of cardiac events, such that the recording of the current cardiac events replaces that of the oldest events previously recorded. The device inhibits the recording operation so as to stop the recording of the cardiac events and/or event markers in response to it being established that the patient has died. The inhibition can be obtained by detecting spontaneous or stimulated cardiac activity, advantageously combined with the detection of a parameter indicative of the patient's metabolic demand, such as the activity or effort of the patient, so that the inhibition occurs only in the event of the detection of an absence of cardiac activity confirmed by an absence of activity and/or effort of the patient.
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