Measurement of carbon dioxide levels during use of ELSA and the effect of venting on these levels.
JOURNAL OF THE ROYAL NAVAL MEDICAL SERVICE 2004;
90:70-3. [PMID:
15580950]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
DESIGN
A prospective, objective assessment of ELSA use, in order to determine whether venting of the ELSA influences carbon dioxide (CO2) levels.
PRIMARY ENDPOINT
Inspired and expired CO2 levels.
SETTING
On board RFA ARGUS during Operation TELIC.
METHODS
10 volunteers had a baseline of inspired and expired CO2 levels taken. These levels were measured at one minute intervals during use of an ELSA in 3 conditions--sitting, jogging and jogging with venting.
RESULTS
There was no difference in expired CO2 levels between baseline and use of ELSA whilst sitting. Periodic venting of the ELSA made no difference to inspired and expired CO2 levels.
CONCLUSIONS
Venting of the ELSA during use makes no difference to CO2 levels whether inspired or expired. Therefore, venting is unnecessary and potentially wastes vital time during escape from a smoke-filled compartment and adds additional stress to the escapee.
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