Cardiac rhythm template generation system and method
AssigneeCardiac Pacemakers, Inc.
InventorsJaeho Kim, William Hsu, Joseph Bocek, Harley White
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Abstract
A method and system provides for generating a snapshot representative of one beat of a patient's normal cardiac rhythm. Cardiac rate channel signals and shock channel signals are sensed. A fiducial point is determined for a predefined number of the cardiac rate channel signals. A predefined number of the shock channel signals are aligned using the fiducial point. A template is generated using the aligned shock channel signals, whereby the template is representative of one of the patient's normal supra-ventricular conducted cardiac beats. The template is updated on a periodic basis.
Claims1
A method, comprising:
- sensing rate and shock channel signals;
- aligning the shock channel signals using a feature of the rate channel signals;
- generating a candidate template using the aligned shock channel signals;
- storing the candidate template if a current cardiac rhythm correlates with the candidate template;
- and
- retaining a previously stored template or not storing the candidate template if the current cardiac rhythm fails to correlate with the candidate template.
Dependencies are inferred from the claim text.