the screen said : hyperbaric saturated environment medical complications ( major-fatal ) 1.01 pulmonary embolism 1.02 high pressure nervous syndrome 1.03 aseptic bone necrosis 1.04 oxygen toxicity 1.05 thermal stress syndrome 1.06 disseminated pseudomonas infection 1.07 cerebral infarction choose one : `` do n't choose one , '' beth said .