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Originally Posted by Patriot007
What pulmonary physiologic phenomenon are you describing?
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ventilation vs. oxygenation. V/Q mismatch
Speaking of the research studies and best practice, I had learned to take what I learned from engineering to medicine, which are trade-offs and baseline/steady state ie. on septic shock resuscitation with levophed, we may kill perfusion to kidney in order to keep perfusion to heart, lung, and brain, and so on.
Case-by-case basis seems to be the paramount approach, which is why every level of treatment is best served with individual's thinking critically. Having said that, we do have algorithm to speed up flow of treatment and justify intervention even when the final outcome is sentinel. I think it's mentioned here before and my trauma/critical care instructor agrees which is we can do 100% right (according to guidelines) and the patient is 100% dead. CYA....CYA....CYA 
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