get casualty on floor, get help rolling now.
gloves, eye protection as fast flowing blood in the eyes is bad news for all, and, if we are saying its severe it will be shooting out.
get limb elevated, pad applied and direct pressure on asap.
go to in direct pressure next
if still pissing out get tourniquet on and heamostatics.
all of this should be happening really fast, literally less than 4 mins if arterial bleeding.
if its obvious major spurting go straight for tourniquet/ cellox if appropriate.
splinting, let me just say if it was my arm broken and flopping about I would be pissed off to say the least, and leaving it flopping can easily make a closed fracture open, placing me at severe risk of injury to blood vessels/ nerves and tendons- limb and potential life threatening injury.
sorry my friends sod the regulations in both these points.
Mark. keep the questions going.