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Easop wrote: [snip] >Listen to a doc or better yet a medic regarding >resuscitation. They have track records. Purging with >02 is unsafe. One anonymous MD who George quotes >doesn't make it safe. It probably best to decide what the discussion is about. Many agencies, BSAC & DAN included, have +ve pressure ventilation protocoles in place. They use the standrad demand valve, on a hard dry surface to ventilate an unconscious victim w/ 100% O2. In the US at least many EMSs do not include +ve P ventilation via a demand vlave for a # of reasons. As a matter they don't musch like the demand valve. They rather use a non-rebreather mask for a spontaneously bretahing victim & a bag valve mask, w/ intubation, for an unconscious one. Anyone who has any interest or knowledge of the field knows this & reasoning behind it. The most obvious is that their 'on time' w/ victim is short & they turn over the victim to definitive care. Divers R trained w/ protocoles that look @ transit times of some duration (1-2 h) & thus the tech employed R a little different - hence the demand valve for near 100% O2 adm, be it in the regular mode (conscious victim) or +ve P mode (unconscious victim). Now in water resuscitation using deco O2 through a scuba reg is another matter. Despite the prevalance of the use of a demand valve on a hard (read out of water) surface, the in water use of this system remains unproven. It may B effective, it may do some damage where it is the lesser of the 2 evils. However it does not, currently, appear to be in widespread use. Effective sealing of reg & victim's nose, as well as the adm of the gas @ less that 40 L/min while towing remain issues. IN many cases w/ short distance to shore or rapid p/u by boat resuscitation may actually delay effective TRT. As it is obvious to those who have had the misfortune of dealing w/ rescues & assists, in the field each is unique & outside of the general principles (ABC's, do no further harm, etc) the acumen to wing it when necessary becomes important. Safe bubbles Esat Atikkan __________________________________________________ Do You Yahoo!? Thousands of Stores. Millions of Products. All in one place. Yahoo! Shopping: http://shopping.yahoo.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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