AaDO2: Difference between revisions
Ttenbergen (talk | contribs) |
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=== can be less than 0 === | === can be less than 0 === | ||
=== *4 AaDO2 can be 0 or negative=== | === *4 AaDO2 can be 0 or negative=== | ||
Unlike other physiological variables AaDO2 can be 0 or negative, so | Unlike other physiological variables AaDO2 can be 0 or negative, so unlike the others the score for a 0 AaDO2 is 0 if AaDO2 < 200, which includes AaDO2<=0. | ||
Note for programming only: The score is still null if the AaDO2 is null. <!-- Julie and Tina discussed 2021-09-29 - there really should never be a null because cross checks would catch this, but if there every is, this is as good as any solution. --> | Note for programming only: The score is still null if the AaDO2 is null. <!-- Julie and Tina discussed 2021-09-29 - there really should never be a null because cross checks would catch this, but if there every is, this is as good as any solution. --> | ||