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

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

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