some good discussion so far. I think we all hope for those cases like tenesma was describing, where the pt beats all odds and survives..., truely medical miracles. I think it is that hope, along with the points Mil makes, that almost force us to keep pushing ahead. At some point though, it starts to get very fuzzy...
22 yo shot multiple times in abd arrives in ER via aircare, lethargic, pulse 140, BP 70/palp, large bore IVs/ trauma caths placed, level 1's running full tilt, no need to do a FAST as trauma surgeons know is abd is jacked up, to the OR in minutes, induced, abd splashed with betadine and ex-lap performed, massive injuries to most organs, as well as to abdominal aorta, during the controlled chaos, a-line is placed, and labs drawn. In the ten minutes it takes for the ABG to get back, you're pushing products as fast as you can. ABG returns pH 6.85, pO2 185 on 100%, pCO2 51 HCO3 25, Base Defecit -18, H/H 7/20. Surgeon tells you they're loosing a lot of blood (no sh1t), you continue to push products, and now a fair amount of pressors, including epi. Pt goes into V-fib once, CPR started, pt shocked, resumes sinus tach with pressure 68/42. More labs return, INR of 14, lactate of 12... you continue pooring products into a tank full of holes for another 30 minutes, repeat gas slightly better pH 7.01, defecit of -10. Surgical control of bleeding is getting better, but due largely to direct pressure being applied to aorta while aorta graft is placed and other large holes fixed and organs removed. Pt goes into V-fib again, CPR started, dfib times 3 gets resumes sinus tach, products conusmed to date now around 40 units PRBC, 40 FFP, two 10-pack of platelets and a unit of cryo. Surgeon states 'surgical bleeding' has stopped (a stretch by any means) but sees oozing and wants factor VII. Next set of coags return, and a little better, INR 7, fibrinogin 280, last platelet count was 120K. Codes again, after almost 5 minutes of multiple rounds of ACLS, pt still v-fib, good pressure (systolic 90 via aline) and pulse are felt thruoghout code via compressions... when do you stop???
Mil says you can't predict, but you know that anyone that rolls in with a pH of 6.85, BD of -18 and and a lactate of 12 doen't have very good odds. You also know that this was a previously healthy 22 yo male.
I'll tell you what we did, and how it ended later...