ON­SET OF SYMP­TOMS

Asian Diver (English) - - Courses -

Upon sur­fac­ing, the diver had no ap­par­ent is­sues. How­ever, one hour later, while rest­ing in his bed at the ho­tel, he started to feel as though the room was spin­ning. This was fol­lowed by an episode of vom­it­ing. A few min­utes later, he also de­vel­oped a tin­gling sen­sa­tion in both of his hands.

He in­formed the dive re­sort of his symp­toms, was put on oxy­gen for 20 min­utes via nasal can­nula with no re­lief and was taken to a nearby hos­pi­tal by road. Re­quir­ing fur­ther treat­ment, the diver was trans­ferred to an­other hos­pi­tal (also by road and ap­prox­i­mately 90 min­utes in du­ra­tion) for higher level care in­clud­ing fur­ther eval­u­a­tion and man­age­ment. (Note: A nasal can­nula pro­vides insufficient oxy­gen for man­ag­ing a div­ing ac­ci­dent: At a flow rate of only 1-6 litres per minute, the per­cent­age of oxy­gen in­spired is quite low at 24 to 44 per­cent.)

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