Procedure for deriving reliable information on respiratory...

Details Procedure for deriving reliable information on respiratory... Procedure for deriving reliable information on respiratory...

2003-05-30

2008-12-02

Evanisko, George R (Department: 3762)

Surgery

Diagnostic testing

Cardiovascular

C607S020000

Reexamination Certificate

active

07460901

ABSTRACT:
The present invention describes a method of tracking minute ventilation from R-R intervals that are based on the acquisition of ECG signal. Sub-methods (RDF1), which are mainly based on heart rate variability, are used, wherein the respiratory frequency is determined from a pattern of rhythmic changes in heart beat data. The sub-methods (RDF1-n) are combined using an expert function, wherein each sub-method (RDF1-n) determines an estimate of the respiratory frequency.

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