“…It can be viewed as the new application of an old, established technology to help resolve certain, recalcitrant, expensive, or otherwise hopeless medical problems. In certain circumstances, it represents the primary treatment modality while in others it is an adjunct to surgical or pharmacologic interventions In an historical note, Leifer (2001) traces a close association between the development of hyperbaric medicine and improvements in diving equipment from the age of Alexander the Great to the current era. Leifer (2001) The background to these cautionary counsels is the breathing process in hyperbaric oxygenation circumstances.…”