Method and system for detection of respiratory variation in plethysmographic oximetry

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United States of America Patent

PATENT NO 9757043
APP PUB NO 20130281805A1
SERIAL NO

13919878

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Abstract

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A method and system for detection of pulsus paradoxus are provided. In one embodiment, the method includes determining a power spectrum density for a plethysmographic waveform and identifying pulsus paradoxus based on the power spectrum density. The power spectrum density may include a first wave peak indicative of a respiratory rate and a second wave peak indicative of a heart rate. Pulsus paradoxus can be identified by comparing a height of the first wave peak and a height of the second wave peak.

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Patent Owner(s)

  • LOS ANGELES BIOMEDICAL RESEARCH INSTITUTE AT HARBOR UCLA MEDICAL CENTER

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Criley, John M Palos Verdes, US 3 25
Criley, Stuart R Palos Verdes Estates, US 1 11
Mason, Gregory R Manhattan Beach, US 4 32

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