Breathing, Bleeding, Shock... etc. use the old Army first aid method. The guy was still breathing, take care of the bleeding. Then deal with the shock. Plenty of people with otherwise survivable wound go into shock and don't make it.
Found this:
http://www.me.ngb.army.mil/units/rti...ion_C_ALMS.pdf
Worth a look. It's kind of dated so if anyone has a more recent FM drop a link.