Mailing List Archive Mailing List Archive
George, I think I remember hearing that one of the WKPP guys, possibly JJ has asthma. Is this true? If so, how does he deal with it? steve On Thu, 30 Dec 1999 kirvine@sa*.ne* wrote: > Been there , seen it, had to deal with it. I am corret to the T. Believe > it or not. > > > > Michael J. Black wrote: > > > > Einar, > > > > I bounced your question off Ernest Campbell M.D. at Diving Medicine > > Online. Question: "A dive instructor with asthma asks about the risk > > of 100% O2 for deco at 20-ft stop. Also wonders about allowable > > UPTD's (units of pulmonary toxic dose) given his stable asthma." > > > > Dr. Campbell's answer: "I'm not aware of any studies relating asthma > > and O2 pulmonary toxicity. A reduction in vital capacity would be the > > main thing your dive instructor would notice over a period of repet > > dives with 100% O2 deco at 20 feet. The other factor might be > > bronchospasm from the O2, noticed immediately. Lambertsen's UPTD's > > are calculated by formula using time, pressure and a constant of > > 0.5 as a threshold in bars, and asthma would have nothing to do with > > changing or increasing the risk further. His daily exposure limits > > would not be any different with or without asthma." > > > > Hope that helps a little. Asthma is a relative contraindication to > > diving and you know undoubtedly that you are walking a fine line. > > It has been the subject of a great deal of debate over the years, and > > was once considered an absolute contraindication to diving. Because > > there are several different types of asthma and because it can be well > > controlled with meds, the standards have been relaxed somewhat in > > recent years. Take it easy and good luck. > > > > MJB > > > > __________________________________________________ > > Do You Yahoo!? > > Talk to your friends online with Yahoo! Messenger. > > http://messenger.yahoo.com > > -- > > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > > > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
Navigate by Author:
[Previous]
[Next]
[Author Search Index]
Navigate by Subject:
[Previous]
[Next]
[Subject Search Index]
[Send Reply] [Send Message with New Topic]
[Search Selection] [Mailing List Home] [Home]