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

Certified Solo Diver

In 1990 I had a story published in Michael Menduno’s  aquaCorp Journal. Michael is a pioneer of Technical Diving for sports divers, and is credited with coining the term “Technical Diving” or “Tec Diving”. We all know what the term means now, but it was a giant leap at the time to get divers from … 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

Dengue Fever in Paradise – Hawaii’s Big Island

Dengue fever (also known as “breakbone fever”!) is a mosquito-caused illness.  Those with dengue exhibit disease symptoms which include a sudden onset of fever, severe headaches, eye, joint, and muscle pain, and a rash. The rash typically appears on the hands, arms, legs and feet within 3-4 days after fever begins. Minor bleeding problems can also … Read more

Considerations of Oxygen in Diving Gas Mixtures

Oxygen is the most basic life support system our bodies employ, and yet also has the capacity to cause great harm.  Keller (1946) has called oxygen “The Princess of Gases.  She is beautiful but has to be handled with special care”.  We cannot live without it, but in prolonged breathing exposures or in deep depths … Read more