IntroductionHyperbaric chambers and underwater environments are challenging and at risk of serious accidents. Personnel aiming to assist patients and subjects should be appropriately trained, and seve
Note: Descent rate: 10–20 m/min; Ascent rate from bottom to first stop: 2 m/min; Travel time between stops: 1 min. Oxygen breathing begins on arrival at 18 m for 20–30 min periods separated by 5–10 mi
