Rebreathers Offer Diving Advantages – At a Price

modern diving marvels are not for everyone Closed-circuit rebreathers have become very popular with technical divers since they offer the possibility to do extreme dives without the imposition of carrying an enormous amount of gas. I was at the forefront of promoting this new way of diving as far back as 1993. In those days … Read more

Alternative Protocol for In-Water Recompression by Dr Carl Edmonds

This is an alternative Protocol by Dr Carl Edmonds of the Australian Navy School of Underwater Medicine for treatment of DCS in water at a shallower depth, as suggested by John Lippmann. In-water Oxygen Treatment Procedures Oxygen should be supplied at maximum depth of 9 msw (30 fsw), from a surface supply system. The ascent … Read more

Bret Gilliam’s Protocol for In-Water Recompression at Remote Dive Sites

Presentation of DCI Problems If a diver surfaces and reports any signs or symptoms of decompression illness (DCI), they should immediately be evaluated against the list of DCI symptoms and equipped for re-entry into the water as quickly as possible. Be certain that the victim is functionally responsive, mentally aware, and capable of answering questions … Read more

No computer, no sense!

There’s a feeling of instant camaraderie among the passengers on a liveaboard dive boat because it’s in the interest of everyone on board that nobody has an accident. However, you don’t usually know everyone beforehand, neither do you know their levels of diving skill. The water at Ras Mohammed, a wall  at the southern tip of Egypt’s … Read more

A Practical Discussion of Nitrogen Narcosis

A HISTORICAL PERSPECTIVE There have been numerous articles written on the subjects of inert gas narcosis and attendant depth limitations. Many have re-hashed old formulas relating the preposterous “Martini’s Law” etc. and sanctimonious admonitions against any sport diving below 130 fsw. The authors of these materials are motivated by the best of intentions: diving safety. … Read more