Identification and remediation of oversensed cardiac events...

Details Identification and remediation of oversensed cardiac events... Identification and remediation of oversensed cardiac events...

2008-10-29

2011-12-13

Kahelin, Michael (Department: 3762)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S028000

Reexamination Certificate

active

08078277

ABSTRACT:
In general, the disclosure is directed to techniques for identification and remediation of oversensed cardiac events using far-field electrograms (FFEGMs). Identification of oversensed cardiac events can be used in an ICD to prevent ventricular fibrillation (VF) detection, and thereby avoid delivery of an unnecessary defibrillation shock. Alternatively, or additionally, identification of oversensed cardiac events can be used in an ICD to support delivery of bradycardia pacing during an oversensing condition. In some cases, bradycardia pacing delivered in response to detection of oversensed cardiac events may include pacing pulses from multiple vectors to provide redundancy in the event the oversensing may be due to a lead-related condition.

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P0031165.01 (PCT/US2009/060351) PCT Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority.

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