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> It is NOT very POSSIBLE TO GET QUITE BENT when breath-hold >diving. There are basicly only two ways to get bent due to breath-hold >diving. >1) After a significant amount of Nitrogen tissue loading due to a >previous SCUBA dive. The microbubbles which may be present in your >bloodstream (non-symptematic DCS) after a SCUBA dive may become >compressed at depth on a breath-hold dive and bubble out of solution upon >a quite ascent lodging in joints, etc. (DCS onset). Only a few cases >reported of this kind. >2) Repeated breath-hold dives to extreme depths (>100 ft) where the >cumulative time at depth nears and exceeds that of no-decompression >limits on tables (cases reported by Japanese women oyster divers who dive >to 100+ ft repeatedly) True, but the incidence may well be much higher than most people think. Mount & Gilliam _Mixed Gas Diving_ spends several chapters on DCS; at one point, they discuss breath-hold diving. They make the point that serious working breath-hold divers (like the Japanese ama, or some deep lobster divers) frequently see problems that, while maybe not diagnosed as such, certainly have symptoms that look a lot like DCS. There is still a lot we don't know about DCS. (And the reason I was reading _Mixed Gas Diving_ was I had to do *SOMETHING* while I was in the hospital. If you have ever seen daytime TV, you know what I mean.)
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