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Which normative values to choose for the department ?
Our old EMG machines were overdue for replacement and now we finally new EMG machines in the department.
We have 4 neurophysiologists and 1 senior neurophysiology scientist, all of whon have trained with slightly different normative values ie slightly different measurements and corresponding normal ranges.
We had a discussion around using the same values for the whole department but I thought I'd ask at this forum.
1. Is there a gold standard reference value we all should be using/adapting our individual practices to ? The AANEM published data on normative values in 2018, but some of us have inherited normative values from where our trainers trained in ie Mayo or others, all of which seem slightly different.
2. Is there merit in sticking to your own slightly different values as you've trained in them ?
3. Has anyone had this issue in their group practice or department and what reference values did you use ?
Thank you so much for your inputs.
Regards,
Gaurav
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