Surgery – Diagnostic testing – Cardiovascular
Reexamination Certificate
2011-05-31
2011-05-31
Evanisko, George R (Department: 3762)
Surgery
Diagnostic testing
Cardiovascular
Reexamination Certificate
active
07953476
ABSTRACT:
A method and system for discrimination of supraventricular tachycardia and ventricular tachycardia events. Morphological features points are extracted from normal sinus rhythm (NSR) complexes and used to generate a NSR template. A numerical convolution is performed using the NSR template and the feature points for each sensed NSR to give a NSR filter output. Using a plurality of NSR complexes, a median NSR filter output template is determined, where the median NSR filter output template has a median value for each value in the NSR filter output. The median NSR filter output template is then used during a tachycardia event to distinguish tachycardia events as either ventricular tachycardia events or supraventricular tachycardia events.
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Cardiac Pacemakers Inc.
Evanisko George R
Schwegman Lundberg & Woessner, P.A.
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