Interpreting Blood Gases

  1. 0 I was wondering if anyone could help me with blood gases. I have only just had to start interpreting them and I would love help with them. Any hints, good websites, etc...Thanks in advance!

    Katie
  2. Visit  katiep14 profile page

    About katiep14

    From 'Las Vegas, NV'; Joined May '09; Posts: 3.

    4 Comments so far...

  3. Visit  300g profile page
    0
    This chart is helpful - S.T.A.B.L.E. Blood Gas Interpretation Chart

    Blood gases just take practice. Is there something specific that you're having trouble with?

    Here's something that might be helpful: Arterial Blood Gas Interpretation
  4. Visit  rnnana profile page
    0
    Unable to view the chart, and they charged 6$ to see it.
  5. Visit  Bookworm14 profile page
    0
    Quote from 300g

    Blood gases just take practice. Is there something specific that you're having trouble with?
    I worked adult critical care for almost 12 years and now I am in the NICU. I am very familiar with arterial blood gases but would like to know more about capillary blood gases. How do they correlate with ABG's? What situations or results would lead you to want an ABG rather than a CBG?

    Thank you.
  6. Visit  300g profile page
    2
    Quote from rnnana
    Unable to view the chart, and they charged 6$ to see it.
    It's worth the $6 to purchase it, or take the S.T.A.B.L.E. course. I don't think it would be right for me to post a copy of their chart.

    Quote from Bookwork14
    I worked adult critical care for almost 12 years and now I am in the NICU. I am very familiar with arterial blood gases but would like to know more about capillary blood gases. How do they correlate with ABG's? What situations or results would lead you to want an ABG rather than a CBG?

    Thank you.
    You're going to be able to determine your acid/base balance with a CBG. pH and CO2 should be pretty close. Where ABGs are better than CBGs is when you need a more accurate PaO2... for example, a very sick PPHN you will probably want your Pa02 greater than 100 and you won't get an accurate reading with a CBG.

    Two other quick notes about blood gases... some blood gas machines will calculate your HCO3 based on your CO2, so they will not report an accurate reflection of HCO3. You will see this when your HCO3 value dramatically changes between gases. HCO3 (renal response) is not that rapid.

    Also, to get an accurate lactate, you will need an ABG, not CBG.

    Hope that helps!
    Bookworm14 and NeoNurseTX like this.


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