The mention of hyperbaric treatment to many health professionals will usually result in a blank stare, or the comment that it has something to do with deep-sea diving. Few realize the many clinical and research applications hyperbaric oxygen treatment offers. Several years ago the Center established a hyperbaric oxygen treatment facility (only one of two in this city of 300,000) which is frequently used for clinical treatment and research. Unlike most hyperbaric chambers, our chamber is a custom made, heavy duty type which could be used for decompression treatment, if necessary.