AMR verification of hemoglobin derivatives
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We use the GEM 5000 blood gas analyzer which reports tHb, O2Hb, COHb, MetHb, HHB, and sO2. In the operator's manual, all analytes are listed as measured, not calculated. Historically we have only performed semi-annual AMR verification on the tHb with the justification being that the other analytes are just derivatives of this value. I'm wondering what others do.
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Hi Angie - in my experience, I think your interpretation would be incorrect. If the operator's manual lists it as a measured test, then there should be appropriate AMR verifications performed for those tests. I am not familiar with GEMs per se, but for other blood gas analyzers that list them as measured tests, that is the case. And the test limits are clearly listed in the Cal Ver material provided by the vendor.
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