Anurse knows that the major clinical use of dobutamine is to:

answer; 4% i believe this is correct;

when you rub, you also apply pressure, that pressure can urge the poop to come out. i think that when your rubbing, you also might be slightly breaking it up and that can further fill the stomach.  

the suction machine and tubing is the equipment that should be left behind and should be most easily accessible.