The Atlanta Hyperbaric Center & National Association of Hyperbaric Therapy training course web sites include a range of Internet resources accessible from these web pages. The information provided here is designed for educational use only and is not a substitute for specific training, treatment recommendations or health care. Atlanta Hyperbaric Center and the authors assume no liability for any individual’s use of or reliance upon any material contained or referenced herein. The material contained in these web pages may not be the most current. This material may be freely distributed for nonprofit educational use. However, if included in publications, written or electronic, attributions must be made to the author. Commercial use of this material is prohibited without express written permission from the author. Copyright 2014, all rights reserved, Atlanta Hyperbaric Center.