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Christy Spence

TRM.42750 Storage Unit Alarms

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TRM.42750 Storage Unit Alarms for the transfusion medicine checklist dated 8/22/18 was revised to state that, "The Laboratory must demonstrate that all components of the alarm system (including manual chart recordings) work as expected...."

We have been doing the electronic checks at least quarterly but these do not show up on the graphs.

Just curious what others think of this! I'm assuming we will need to go back to doing manual alarm checks with the ice water:(

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We also used to do electronic checks quarterly, but now that there is specific guidance to standard 3.7, we have reverted back to the old water/ice alarm check.  This is from the AABB portal on the guidance for standard 3.7 in the 31st edition - "An electronic alarm test that merely increases or decreases the electronic digital readout to determine if the audio alarm sounds, would not meet the intent of the Standards."  The full checklist item and guidance are attached.

 

AABB Standards 3.7 and guidance (31st edition April 2018).docx

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What if you don't rely on the units chart drive or temp display?  We are not CAP.  We have many fridges, freezers, platelet incubators...  all are on a centralized temperature monitoring system.  We don't even put paper in our chart drives, haven't for 20+ years now.

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Helmer fridges actually heat and cool the probes, so I only do a thermal challenge once a year and push the buttons the other three quarters. I think I will have to add chart response to the test in order to be compliant with this requirement.

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The iC3 boxes on Helmer refrigerators document the electronic probe checks. If this data is downloaded and documented as high and low alarm checks, wouldn't this satisfy the Standard? Thoughts?

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