I HAVE HAD LIKE 6 NERVE BLOCKS IN 2011 THUS FAR, THAT WERE DONE BETWEEN THE T8*T9 AND L5*S1 FUSION THAT WAS DONE ON 2007 AND HAD RELIEF IN MY LUMBER UNTIL NOVEMVBER OF 2010. NOW WE DISCOVERED THE SLIPPED DISC IN MY T8*T9 WHICH IN VERY PAINFUL. NOW THEY ARE TALKING ABOUT DOING THE RF PROCEDURE. I NEED MORE INFO. FROM PATIENTS WHO HAVE HAD THIS DONE AND WHAT EXACTLY HAPPENS DURING THE PROCEDURE, LIKE SEDATION ETC. HELP. VERY SCARED AT THIS POINT