Apnea and CO2 rise

  1. 0 This is for the smarty pants in all of you ... I was asked in clinical last night - "How long would it take the CO2 to rise from 35 to 60 after the patient has become apneic?" Any guesses?
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  3. Visit  versatile_kat profile page

    About versatile_kat

    From 'Top of the world!'; 37 Years Old; Joined Aug '03; Posts: 242; Likes: 6.

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  4. Visit  jwk profile page
    0
    Quote from versatile_kat
    This is for the smarty pants in all of you ... I was asked in clinical last night - "How long would it take the CO2 to rise from 35 to 60 after the patient has become apneic?" Any guesses?
    3mmHg per minute of apnea
  5. Visit  CRNA, DNSc profile page
    0
    CO2 rises about 7 torr or mmHg in the first minute, then 3 torr each minute thereafter. For a 25 torr increase- approximately 7 minutes (25-7=18/3=6, 1min + 6minutes = 7) assuming normal production of CO2.
  6. Visit  charles-thor profile page
    0
    Can someone offer a good explanation as to why the PaCO2 increases much more (~7 mmHg) in the first minute of apnea before leveling off (~3 mmHg)? Thanks.


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