What Is The Remedy For Dizziness When I Tilt My Head With Cervical Spinal Stenosis?

HI, I HAVE CERVICAL SPINAL STENOSIS AND IN OCT. OF 2010 I HAD THE FUSION SURGERY. SURGERY WENT WELL, MIGRAINES AND PAIN STOPPED AND THEN IN MARCH OF 2012 I REINJURED OR THE PROBLEM DEGENERATED FURTHER AND MY MIGRAINES RETURNED, ALTHOUGH NOT AS SEVERE, BUT THE WEAKNESS AS WELL AS MY HEAD FEELING AS THOUGH IT WEIGHS 100LB S HAVE ALSO RETURNED, AND I HAVE TROUBLE SITTING OR STANDING WITHOUT MY HEAD AND NECK AND UPPER BACK BECOMING SO TIRED AND PAINFUL I HAVE TO LAY DOWN AND REST MY NECK. MY NEWEST AND SCARIEST PROBLEM NOW IS THAT WHEN I LEAN BACKWARD , LIKE TILTING MY HEAD BACK TO LOOK AT THE CEILING, I GET VERY DIZZY AND ALMOST PASS OUT. IT IS AS IF SOMETING IS CUT OFF LIKE BLOOD OR MAYBE A PINCHED NERVE. COULD THIS BE LIFE THREATENING I AM TERRYFIED OF ER S AND DO NOT WANT TO HAVE TO GO UNLESS EMERGENCY. I AM GOING TO CALL MY PAIN MANAGEMENT DOC TOMORROW BUT WAS JUST CURIOUS AS TO WHAT YOU THINK. TRACY BAKER