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December 2022 Cheat Sheet

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Questions or Comments?

Quick Question

You test for lupus anticoagulant [LAC] using a low-PL PTT reagent and a hex-phase high-PL mix. The mix results are 10 seconds shorter than the first test. What do you conclude?

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LAC-positive

LAC-negative

Inconclusive

First confirm with DRVVT

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