Surgery – Diagnostic testing – Respiratory
Reexamination Certificate
2005-12-21
2011-11-29
Le, Miranda (Department: 3735)
Surgery
Diagnostic testing
Respiratory
C600S538000
Reexamination Certificate
active
08066647
ABSTRACT:
A signal representative of a patient's respiration is split into equal length epochs. A primary feature is extracted from each epoch that acts as a compressed representation of the signal events. Statistics are applied to the primary feature to produce one or more secondary features that represent the entire epoch. Each secondary feature is grouped with one or more other features that are extracted from the entire epoch rather than selected epoch events. This grouping is the epoch pattern. The pattern is manipulated with suitable classifier algorithm to produce a probability for each class within the algorithm, that the signal may be representative of a disease state (Cheyne-Stokes, OSA etc). The epoch is assigned to the class with the highest probability. Also defined are methods of detecting Cheyne-Stokes breathing by analyzing a signal to detect one or regions of hyperpnoea and if the length of a hyperpnoea exceeds a parameter, Cheyne-Stokes is present.
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Bloch Michael R
Gottlieb Rackman & Reisman PC
Le Miranda
Resmed Limited
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