Talk:Time of useful consciousness

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Hi, Sorry for the mess, till I got the table right. I am "Metric Head" like some other billion, so I had to put the metric units.--Isarioglu 20:28, 22 May 2006 (UTC)[reply]

A list of TUC's for someone fully acclimatized to a low oxygen environment would also be interesting. I've heard that it's possible to survive indefinatley upto 18,000ft and a couple of days at 25,000ft, the fact that a number of people have climbed to the summit of Everest (29,029ft) without oxygen shows that people can survive for some time at that altitude. Comrinec (talk) 02:17, 1 August 2008 (UTC)[reply]

Aviation -specific ?

Is this specific to aviation as it says ? I suspect high mountain climbers, firemen and divers using special mixtures are also concerned.--Musaran (talk) 13:29, 29 September 2009 (UTC)[reply]

Forced exhalation shorten TUC ?

"A rapid decompression can reduce the TUC by up to 50 percent caused by the forced exhalation of the lungs"
It is not clear in what way forced exhalation reduces TUC. My knowledge would be that exhalation has no direct impact on blood ventilation, and that blood holding more oxygen due to correct pressure before decompression would lead to longer TUC.
Maybe decompression causes unusualy long exhalation, preventing inhalation ? Or maybe the whole line is bogus, as someone put a citation needed on it.--Musaran (talk) 13:29, 29 September 2009 (UTC)[reply]