I think if you look up Traumatic Shock, you will find much more research than mere "hypo-volemic" shock :idea:
Here's another
And one more
This second article not only supports your own curiosity, but (ultimately) supports our mutual findings right here, directly stating:
"The data presented herein also clearly demonstrate that in order for one to be able to get the maximum benefit from steroid therapy in shock, steroids must be administered early and in very high dosage. Overall, the data reviewed herein provide a solid scientific basis for the therapeutic use of glucocorticoids (and possibly estrogens) in various forms of cilculatory shock and trauma."
I am sure this is why Doc recommended the high-end of the dosages in the original article.
Jack