Affiliation:
1. Princess Margaret Hospital, Christchurch
Abstract
The theoretical performance of the Hudson Multivent mask is considered. A method is described of determining the flow-weighted mean inspired oxygen concentration produced by the mask. Using this method, it was found that the inspired oxygen concentration was predictable only at the 24% setting using the recommended flow rates, but that increasing the supplied-oxygen flow rates above the recommended levels resulted in the return of predictable function. At settings above 30% predictable function was found to be unlikely, whatever the supplied oxygen flow rate. Recommendations are made regarding the use of this device.
Subject
Anesthesiology and Pain Medicine,Critical Care and Intensive Care Medicine
Cited by
8 articles.
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