Many have commented already, but none have mentionned 2 *major* issues Prof Peter White seems to have omitted.
Of 8 points in @JNNP_BMJ piece, two are simply false.

1) PEM was not a new requirement in the 2021 GL.
2) A key study did use fixed-increment GET.

thread 👇Please RT

https://twitter.com/JNNP_BMJ/status/1678701414099369985

First off: Post-Exertional Malaise
"the new guideline made it mandatory for making the diagnosis".

This is wrong: the previous NICE GL (CG53 2007) *also* required PEM for diagnosis. (see photo p14).

The full GL isn't on NICE's site, but is here: https://t.co/PBTUog52z6huisartsvink.files.wordpress.com/2022/02/nice-2…