Surgery – Truss – Pad
Patent
1996-06-26
1998-02-17
Jastrzab, Jeffrey R.
Surgery
Truss
Pad
128705, 607 14, A61B 50456, A61N 1365
Patent
active
057182426
ABSTRACT:
A cardiac event and arrhythmia detection system and method detects arrhythmic cardiac activity or other information from an electrogram signal of a heart. The system senses the electrogram signal through an electrogram lead, preliminarily processes the signal, and converts it to a plurality of discrete digital signals, each of which represents the magnitude of the electrogram signal at a prescribed sample time. The discrete digital signals are applied to both a cardiac event detector and a morphology detector. The morphology detector detects selected changes in the morphology (shape) of the electrogram signal, wherein such changes automatically control the sensitivity (gain and/or threshold) used to detect cardiac events. The occurrence of a prescribed amount of change in the detected morphology over time indicates the occurrence of a prescribed arrhythmic cardiac condition.
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Bornzin Gene A.
McClure Kelly H.
Jastrzab Jeffrey R.
Pacesetter Inc.
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