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January 17, 2013

Capnography PK SMACC Talk

Here's my SMACC PK on Capnography (LITFL page)



plus check out the great PK on ETCO2 in Cardiac Arrest by Jon Schonert

2 comments:

  1. Seth - best PK talk ever! This was right-on!
    One thing though - I would be nervous if I only saw "1 pixel" of variation with each breath in an intubated patient. Thanks!

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  2. Benjamin- Thanks! I appreciate it.

    I agree, 1 pixel variation is not particularly reassuring, and I think it's reasonable to check the tube/LMA in any other way you can (eg gently place a bougie until hold-up). The only times I have seen such a small variation is during cardiac arrest.

    The big mistake would be to attribute a flat ETCO2 to the low cardiac output from the arrest, and not that your tube is not in.

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