Dr.CardioMD said:PSA: get baseline labs BEFORE starting baseline bloodwork therapy.
No disagreement with Dr.CardioMD. One condition attached. Yes, and the corollary is less popular: if the reasoning holds, it also holds where it produces an answer we do not like.
Dr.SurgeonPGH said:Agreed, and reference ranges are laboratory-specific.
Thank you for spelling out the reasoning rather than just the conclusion. Sending this to two other people who asked me the same thing last week.
Dr.CardioMD said:PSA: get baseline labs BEFORE starting baseline bloodwork therapy.
Filing a mild objection. Mild because I might be wrong; an objection because nobody has addressed the case that does not fit. The objection nobody has made: this only works if the measurement is doing what we assume it is doing, and that assumption has not been tested here.
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Shop Reference StandardsThe figures, for anyone assembling their own picture. Give anything pharmacological four weeks before you judge it, and give anything measured weekly a four-point rolling average before you call it a trend.
Moderator note: leaving this open. It is being argued well and the disagreement is the useful part. Report rather than reply if it drifts again.