RUB
rub is the risk that a procedure will bring a quality of life that generally people would rather die from.
for example giving a cranioectomy to relieve raised ICP has the chance of making live really bad so you need to ask should you do it
what are the risks
can you predict the risks
are the risks worth the treatment
what are the alternatives.
otherwiseL you can either die or live a crap life what do u want