select coalesce((select id from courses where languageNo=0 and id in (select id from courses where languageParentNo=286 and active<100) and orgNo=1), (select id from courses where (id=286 or parentNo=-286 and active<100 and orgNo=1)), 286)

Inert Gas Exchange, Bubbles, and Decompression Theory

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Course DescriptionLevel: Student

All divers face the possibility of decompression sickness (DCS), however slight the probability might be. It is curious how such a potentially devastating injury could be related to the mysterious workings of biology, but understanding these mysteries is a key to ensuring that DCS risk remains at an acceptable level.

This seminar is a transcription of a recorded live delivery.

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