IMPLANTABLE MEDICAL DEVICE HAVING A PROCESSOR DEVICE FOR DETECTING CARDIAC ACTIVITY

IMPLANTABLE MEDICAL DEVICE HAVING A PROCESSOR DEVICE FOR DETECTING CARDIAC ACTIVITY

An implantable medical device comprises a sensor device for obtaining a signal indicative of cardiac activity within a patient, and a processor device configured to process said signal obtained using the sensor device. The processor device is configured to detect a peak indicative of a cardiac event...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VENNELAGANTI, Swetha, WHITTINGTON, R. Hollis, GARNER, Garth
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATIONTECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING ORPROCESSING OF MEDICAL OR HEALTHCARE DATA
INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTEDFOR SPECIFIC APPLICATION FIELDS
PHYSICS
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Beschreibung
Zusammenfassung:An implantable medical device comprises a sensor device for obtaining a signal indicative of cardiac activity within a patient, and a processor device configured to process said signal obtained using the sensor device. The processor device is configured to detect a peak indicative of a cardiac event in said signal by comparing said signal to a sense threshold. The processor device in addition is configured to adaptively control said sense threshold such that the sense threshold in at least one time period assumes a value which is constant over said at least one time period, wherein the sense threshold is reduced after lapse of said at least one time period.