@acweyand @nihardesai7 totally disagree. https://t.co/8fk3FZDL5g
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@AaronGoodman33 this is gem from @GuyattGH is the black belt for iron deficiency since it's where the money is usually at to decide if further diagnostic investigation needed ferritin <15 amazing, <15-30 very good, tapers off except in acute inflam
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@Factor_XII Agree - unless there is a concern for “functional iron deficiency” like CHF or renal disease where there is some RCT for iron. Ferritins over 100 rule out true iron deficiency https://t.co/GHxDZlO7mU
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Figure comes from this study in JGIM: https://t.co/4SpG2MAIrr And of course this famous paper from Guyatt et al: https://t.co/RQtTKHkBBS