A member asked:

Rephrasing: what are risks (beyond barotrauma) of being in high pco2 atmosphere at 2.4 ata? presumably pco2 diffuses as o2 would in hbot? dangers?

4 doctors weighed in across 2 answers

Breathing into a bag: This could be like breathing into a bag, your expired co2 is much higher than the atmosphere, but at high atmosphere pressure you could possible get neuro effects or a heart arrythmia from respiratory acidosis.

Answered 11/28/2017

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Seizure: Risk of o2 convulsion increases with increased pco2.

Answered 9/12/2013

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