a continuous block is were after the surgery the anesthesiaiogist contues to pump anestha into the surgery site to keep the rsd from knowing there was trauma done to that area,,they ussually will run it for a few days after surgery,,ive heard from sevearl here who had it done and it worked and the rsd didnt spread,,,im due for surgery in 5 weeks,,im going to try to have it done as awell,,,,,,,,,,,,,