“…Barotrauma may range in severity from 'mask squeeze' with facial bruising, barodontalgia or 'tooth squeeze' , ear injuries from bruising through to round window rupture, gastric injuries such as esophageal rupture, and PBT including emphysemas (subcutaneous or mediastinal), pneumothorax, up to the most serious of diving injuries; AGE, particularly the cerebral form (CAGE), a leading cause of death or drowning among recreational diving fatalities [21,25,[67][68][69][70][71][72][73][74][75][76][77][78][79]. DCS, now widely accepted as attributable to the liberation of gas from solution to form bubbles in the tissues, manifests in seriousness ranging from the type I symptoms of skin rash, pain only and general malaise, through to the neurological type II symptoms of motor function impairment, loss of bladder control, sensory impairment, permanent paralysis and even, ultimately, death [72,[80][81][82][83][84].…”