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The RAD-57 pulse CO-oximeter is a lightweight device allowing non-invasive measurement of blood carboxyhemoglobin. Previous studies comparing RAD-57 measurements (SpCO) to standard laboratory blood gas analysis (COHb) have reported contradictory results.
the RAD-57 pulse CO-oximeter could be useful as a first-line screening test for acute CO poisoning, enabling rapid detection and management of patients with suspected CO poisoning in the prehospital emergency setting This study assesses the diagnostic value of pulse CO-oximetry, comparing SpCO to standard laboratory blood measurement for prehospital management of patients with suspected carbon monoxide (CO) poisoning.
Transcutaneous SpCO will be obtained using the RAD-57 simultaneously with blood sampling for laboratory blood gas analysis, at the time of prehospital management by emergency medical services. The diagnostic performance of SpCO for the screening of CO poisoning will be determined using ROC curve analysis, and Blood COHb levels >5% and 10% as the reference standard for CO poisonning for non-smokers and smokers respectively. Correlation between SpCO and COHb will be assessed using Bland and Altman's method.
Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic
Carbon Monoxide Poisoning
RAD57 measurement (SpCO), CO-oximeter
Montpellier University hospital - Emergency department
University Hospital, Montpellier
Published on BioPortfolio: 2016-08-10T08:08:21-0400
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Toxic asphyxiation due to the displacement of oxygen from oxyhemoglobin by carbon monoxide.
Carbon monoxide (CO). A poisonous colorless, odorless, tasteless gas. It combines with hemoglobin to form carboxyhemoglobin, which has no oxygen carrying capacity. The resultant oxygen deprivation causes headache, dizziness, decreased pulse and respiratory rates, unconsciousness, and death. (From Merck Index, 11th ed)
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A ubiquitous stress-responsive enzyme that catalyzes the oxidative cleavage of HEME to yield IRON; CARBON MONOXIDE; and BILIVERDIN.
The ash, dust, gases, and lava released by volcanic explosion. The gases are volatile matter composed principally of about 90% water vapor, and carbon dioxide, sulfur dioxide, hydrogen, carbon monoxide, and nitrogen. The ash or dust is pyroclastic ejecta and lava is molten extrusive material consisting mainly of magnesium silicate. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)