Interpret an Arterial Blood gas report in 4 steps

This extract is taken from our video module 'Arterial blood gases: a guide to interpretation'. You can complete the full module at BMJ Learning: bit.ly/abginterpret
Practical tips on a systematic, four-step approach to interpreting ABGs, distinguishing metabolic from respiratory disturbances and making the right diagnosis. This extract is taken from our video module 'Arterial blood gases: a guide to interpretation'.

[@mathis20737]

Great video and straight to the point! thank you

[@lornaluy-kenny7671]

Thank you. very helpful simplified learning.I like the visual diagram it helps visual learner like myself

[@karthikmarella3791]

Very super easy and practical way, daily usage explanation

[@dk28355]

Fantastic video! Thank you!

[@Englishinfewdays]

Excellent video

[@nylaparveen258]

very well explained and easy to understand

[@dhairyapathak7436]

So helpful

[@chandyanila]

That was awesome

[@Mkhan-hp4hu]

Brilliant

[@mariocesarbenitez5552]

Thanks

[@asibeybonsu5486]

Very interesting

[@amyreeda9201]

If there is respiratory depression(hypoventilate), it will accompany by respiratory acidosis, not alkaloisis as mentioned..??? Respiratory alkalosis, could happen in hyperventilation status...??

[@naglaafathy7730]

I found it interesting. However, some issues need to be checked: increased CO2 causes a direct increase in H2CO3 not HCO3- directly as the CO2 interacts with H2O forming H2CO3 first, so, the equation written is not very understood. Thank you

[@talahenn6151]

And how come an increase in HCO3 will lead to a decrease in PH? any explanation please?

[@naglaafathy7730]

@@talahenn6151 if you mean in the case above, increased HCO3 is a mirror for increased hydrogen ions ( H2CO3 gives H+ HCO3). and you know increased H+ means a drop in pH. Any further increase in HCO3 is a compensatory mechanism ( by the kidney mainly) to lessen acidosis

[@ka3854]

good point. I was so confused by that bit

[@jotham4200]

just fyi the carbonic acid is H2CO3, great video nevertheless

[@usmleLION]

That had me second-guessing myself, thank you

[@fzjdhso2762]

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