Ambient levels of nitrous oxide in a modular ambulance
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Fig. 1
Scavenger off, exhaust fan off, windows closed.
Fig. 2
Scavenger off, exhaust fan on, windows open.
Fig. 3
Scavenger on, exhaust fan on, windows closed.
Nitrous oxide has been occasionally used as a prehospital analgesic over the last 3 decades. It has been shown to be an effective analgesic agent [1], but concerns have been raised about exposing prehospital personnel to high ambient levels of nitrous oxide within the confines of the ambulance. Historical concerns about possible detrimental effects of long-term exposure to health care workers prompted the National Institute of Occupational Safety and Health (NIOSH) to issue recommendations regarding acceptable levels of nitrous oxide exposure.
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© 2008 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
