4 ms·

> ...transitioning back to air being problematic. Yeah, this seems to be quite an obstacle, giving the fact how long it may take for lungs to fully expectorate

• skynet-9000 5y ago
  In this case, this gas would be injected directly into the rectum, so you could switch back to lungs as soon as the lungs were clear (or run both simultaneously). At least, that's the theory.